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Vulnerability Details :

CVE-2026-9389

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-24 May, 2026 | 14:45
Updated At-24 May, 2026 | 14:45
Rejected At-
Credits

Tenda F456 L7Im frmL7ImForm buffer overflow

A security vulnerability has been detected in Tenda F456 1.0.0.5. This affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:24 May, 2026 | 14:45
Updated At:24 May, 2026 | 14:45
Rejected At:
â–¼CVE Numbering Authority (CNA)
Tenda F456 L7Im frmL7ImForm buffer overflow

A security vulnerability has been detected in Tenda F456 1.0.0.5. This affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

Affected Products
Vendor
Tenda Technology Co., Ltd.Tenda
Product
F456
CPEs
  • cpe:2.3:o:tenda:f456_firmware:*:*:*:*:*:*:*:*
Versions
Affected
  • 1.0.0.5
Problem Types
TypeCWE IDDescription
CWECWE-120Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-120
Description: Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
3.08.8HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
2.09.0N/A
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 3.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 2.0
Base score: 9.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
LtzHust (VulDB User)
Timeline
EventDate
Advisory disclosed2026-05-23 00:00:00
VulDB entry created2026-05-23 02:00:00
VulDB entry last update2026-05-23 17:09:13
Event: Advisory disclosed
Date: 2026-05-23 00:00:00
Event: VulDB entry created
Date: 2026-05-23 02:00:00
Event: VulDB entry last update
Date: 2026-05-23 17:09:13
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/365352
vdb-entry
technical-description
https://vuldb.com/vuln/365352/cti
signature
permissions-required
https://vuldb.com/submit/813444
third-party-advisory
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_2/README.md
exploit
https://www.tenda.com.cn/
product
Hyperlink: https://vuldb.com/vuln/365352
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/365352/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/813444
Resource:
third-party-advisory
Hyperlink: https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_2/README.md
Resource:
exploit
Hyperlink: https://www.tenda.com.cn/
Resource:
product
Information is not available yet

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Matching Score-10
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||
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Action-Not Available
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Matching Score-10
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Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.43% / 62.64%
||
7 Day CHG~0.00%
Published-27 Oct, 2025 | 12:02
Updated-24 Feb, 2026 | 08:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda CH22 addressNat fromAddressNat buffer overflow

A security flaw has been discovered in Tenda CH22 1.0.0.1. This impacts the function fromAddressNat of the file /goform/addressNat. Performing a manipulation of the argument page results in buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ch22ch22_firmwareCH22
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-12225
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.29% / 51.96%
||
7 Day CHG~0.00%
Published-27 Oct, 2025 | 05:02
Updated-24 Feb, 2026 | 07:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC6 HTTP Request WifiGuestSet stack-based overflow

A vulnerability has been found in Tenda AC6 15.03.06.50. This issue affects some unknown processing of the file /goform/WifiGuestSet of the component HTTP Request Handler. Such manipulation of the argument shareSpeed leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac6_firmwareac6AC6
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-12214
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.29% / 51.96%
||
7 Day CHG~0.00%
Published-27 Oct, 2025 | 04:02
Updated-24 Feb, 2026 | 08:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda O3 sysAutoReboot GetValue stack-based overflow

A vulnerability was detected in Tenda O3 1.0.0.10(2478). This issue affects the function SetValue/GetValue of the file /goform/sysAutoReboot. Performing a manipulation of the argument enable results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-o3_firmware1.0.0.10\(2478\)o3O3
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11386
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.25% / 48.12%
||
7 Day CHG~0.00%
Published-07 Oct, 2025 | 10:02
Updated-24 Feb, 2026 | 06:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC15 POST Parameter SetDDNSCfg stack-based overflow

A vulnerability was found in Tenda AC15 15.03.05.18. The impacted element is an unknown function of the file /goform/SetDDNSCfg of the component POST Parameter Handler. The manipulation of the argument ddnsEn results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac15_firmwareac15AC15
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11385
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.39% / 60.05%
||
7 Day CHG~0.00%
Published-07 Oct, 2025 | 09:32
Updated-24 Feb, 2026 | 06:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC20 fast_setting_wifi_set sscanf buffer overflow

A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The affected element is the function sscanf of the file /goform/fast_setting_wifi_set. The manipulation of the argument timeZone leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac20_firmwareac20AC20
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-11528
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.25% / 48.12%
||
7 Day CHG~0.00%
Published-09 Oct, 2025 | 03:02
Updated-24 Feb, 2026 | 06:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC7 saveAutoQos stack-based overflow

A vulnerability was identified in Tenda AC7 15.03.06.44. This affects an unknown function of the file /goform/saveAutoQos. The manipulation of the argument enable leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac7_firmwareac7AC7
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11526
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.26% / 49.49%
||
7 Day CHG~0.00%
Published-09 Oct, 2025 | 02:32
Updated-24 Feb, 2026 | 07:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC7 WifiMacFilterSet stack-based overflow

A vulnerability was found in Tenda AC7 15.03.06.44. The affected element is an unknown function of the file /goform/WifiMacFilterSet. Performing a manipulation of the argument wifi_chkHz results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac7_firmwareac7AC7
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11120
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.39% / 59.91%
||
7 Day CHG~0.00%
Published-28 Sep, 2025 | 21:02
Updated-03 Oct, 2025 | 13:42
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC8 SetServerConfig formSetServerConfig buffer overflow

A weakness has been identified in Tenda AC8 16.03.34.06. The affected element is the function formSetServerConfig of the file /goform/SetServerConfig. Executing manipulation can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac18ac18_firmwareAC8
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-11527
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.25% / 48.12%
||
7 Day CHG~0.00%
Published-09 Oct, 2025 | 02:32
Updated-24 Feb, 2026 | 07:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC7 fast_setting_pppoe_set stack-based overflow

A vulnerability was determined in Tenda AC7 15.03.06.44. The impacted element is an unknown function of the file /goform/fast_setting_pppoe_set. Executing a manipulation of the argument Password can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac7_firmwareac7AC7
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11586
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.39% / 60.05%
||
7 Day CHG~0.00%
Published-10 Oct, 2025 | 21:02
Updated-24 Feb, 2026 | 06:57
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC7 setNotUpgrade stack-based overflow

A vulnerability was determined in Tenda AC7 15.03.06.44. This affects an unknown function of the file /goform/setNotUpgrade. This manipulation of the argument newVersion causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac7_firmwareac7AC7
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-10838
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.35% / 57.88%
||
7 Day CHG~0.00%
Published-23 Sep, 2025 | 04:32
Updated-03 Oct, 2025 | 15:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow

A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac21ac21_firmwareAC21
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-11091
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.26% / 49.18%
||
7 Day CHG~0.00%
Published-28 Sep, 2025 | 01:32
Updated-03 Oct, 2025 | 14:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC21 SetStaticRouteCfg sscanf buffer overflow

A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be exploited.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac21ac21_firmwareAC21
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-11123
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.39% / 60.05%
||
7 Day CHG~0.00%
Published-28 Sep, 2025 | 22:32
Updated-03 Oct, 2025 | 13:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC18 saveAutoQos stack-based overflow

A flaw has been found in Tenda AC18 15.03.05.19. This impacts an unknown function of the file /goform/saveAutoQos. This manipulation of the argument enable causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac18ac18_firmwareAC18
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11387
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.25% / 48.12%
||
7 Day CHG~0.00%
Published-07 Oct, 2025 | 10:32
Updated-24 Feb, 2026 | 06:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC15 fast_setting_pppoe_set stack-based overflow

A vulnerability was determined in Tenda AC15 15.03.05.18. This affects an unknown function of the file /goform/fast_setting_pppoe_set. This manipulation of the argument Password causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac15_firmwareac15AC15
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11388
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.25% / 48.12%
||
7 Day CHG~0.00%
Published-07 Oct, 2025 | 11:02
Updated-24 Feb, 2026 | 06:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC15 setNotUpgrade stack-based overflow

A vulnerability was identified in Tenda AC15 15.03.05.18. This impacts an unknown function of the file /goform/setNotUpgrade. Such manipulation of the argument newVersion leads to stack-based buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac15_firmwareac15AC15
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-10803
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.25% / 48.12%
||
7 Day CHG~0.00%
Published-22 Sep, 2025 | 15:02
Updated-24 Sep, 2025 | 20:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC23 HTTP POST Request SetPptpServerCfg sscanf buffer overflow

A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac23_firmwareac23AC23
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-10815
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.26% / 48.95%
||
7 Day CHG~0.00%
Published-22 Sep, 2025 | 21:02
Updated-25 Sep, 2025 | 18:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow

A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac20ac20_firmwareAC20
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-11117
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.25% / 48.12%
||
7 Day CHG~0.00%
Published-28 Sep, 2025 | 19:32
Updated-03 Oct, 2025 | 13:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda CH22 GstDhcpSetSer formWrlExtraGet buffer overflow

A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formWrlExtraGet of the file /goform/GstDhcpSetSer. This manipulation of the argument dips causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ch22ch22_firmwareCH22
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2025-11328
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.27% / 50.53%
||
7 Day CHG~0.00%
Published-06 Oct, 2025 | 08:32
Updated-24 Feb, 2026 | 06:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC18 SetDDNSCfg stack-based overflow

A vulnerability was detected in Tenda AC18 15.03.05.19(6318). This issue affects some unknown processing of the file /goform/SetDDNSCfg. The manipulation of the argument ddnsEn results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac18ac18_firmwareAC18
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11525
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.26% / 49.49%
||
7 Day CHG~0.00%
Published-09 Oct, 2025 | 01:32
Updated-24 Feb, 2026 | 06:54
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC7 SetUpnpCfg stack-based overflow

A vulnerability has been found in Tenda AC7 15.03.06.44. Impacted is an unknown function of the file /goform/SetUpnpCfg. Such manipulation of the argument upnpEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac7_firmwareac7AC7
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-11327
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.27% / 50.53%
||
7 Day CHG~0.00%
Published-06 Oct, 2025 | 08:02
Updated-24 Feb, 2026 | 06:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC18 SetUpnpCfg stack-based overflow

A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac18ac18_firmwareAC18
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2026-6198
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.06% / 17.50%
||
7 Day CHG~0.00%
Published-13 Apr, 2026 | 18:15
Updated-22 Apr, 2026 | 20:23
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda F456 NatStaticSetting fromNatStaticSetting stack-based overflow

A vulnerability has been found in Tenda F456 1.0.0.5. This issue affects the function fromNatStaticSetting of the file /goform/NatStaticSetting. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-F456
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-10443
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.46% / 64.33%
||
7 Day CHG~0.00%
Published-15 Sep, 2025 | 11:32
Updated-19 Sep, 2025 | 19:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC9/AC15 exeCommand formexeCommand buffer overflow

A vulnerability was identified in Tenda AC9 and AC15 15.03.05.14/15.03.05.18. This vulnerability affects the function formexeCommand of the file /goform/exeCommand. Such manipulation of the argument cmdinput leads to buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-ac15_firmwareac9_firmwareac9ac15AC9AC15
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2026-2910
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.15% / 35.74%
||
7 Day CHG~0.00%
Published-22 Feb, 2026 | 02:32
Updated-23 Feb, 2026 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda HG9 formPing6 stack-based overflow

A flaw has been found in Tenda HG9 300001138. This vulnerability affects unknown code of the file /boaform/formPing6. Executing a manipulation of the argument pingAddr can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-hg9hg9_firmwareHG9
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2026-2911
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.11% / 28.53%
||
7 Day CHG~0.00%
Published-22 Feb, 2026 | 03:02
Updated-23 Feb, 2026 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda FH451 GstDhcpSetSer buffer overflow

A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the file /goform/GstDhcpSetSer. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-fh451fh451_firmwareFH451
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2026-2905
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.11% / 29.32%
||
7 Day CHG~0.00%
Published-22 Feb, 2026 | 01:02
Updated-23 Feb, 2026 | 20:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda HG9 Wireless Configuration Endpoint formWlanSetup stack-based overflow

A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-hg9hg9_firmwareHG9
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2026-3044
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.10% / 27.41%
||
7 Day CHG~0.00%
Published-23 Feb, 2026 | 23:32
Updated-25 Feb, 2026 | 16:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-AC8
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2026-2877
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.10% / 27.41%
||
7 Day CHG~0.00%
Published-21 Feb, 2026 | 18:32
Updated-23 Feb, 2026 | 20:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda A18 Httpd Service WifiExtraSet strcpy stack-based overflow

A vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file /goform/WifiExtraSet of the component Httpd Service. The manipulation of the argument wpapsk_crypto5g leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-a18_firmwarea18A18
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2026-2909
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.11% / 29.32%
||
7 Day CHG~0.00%
Published-22 Feb, 2026 | 02:02
Updated-23 Feb, 2026 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow

A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-hg9hg9_firmwareHG9
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2026-2908
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.11% / 29.32%
||
7 Day CHG~0.00%
Published-22 Feb, 2026 | 02:02
Updated-23 Feb, 2026 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda HG9 Loopback Detection Configuration Endpoint formLoopBack stack-based overflow

A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-hg9hg9_firmwareHG9
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2026-2886
Matching Score-10
Assigner-VulDB
ShareView Details
Matching Score-10
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.11% / 29.32%
||
7 Day CHG~0.00%
Published-21 Feb, 2026 | 21:02
Updated-23 Feb, 2026 | 21:00
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tenda A21 SetOnlineDevName set_device_name stack-based overflow

A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Action-Not Available
Vendor-Tenda Technology Co., Ltd.
Product-a21_firmwarea21A21
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
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