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CVE Vulnerability Details :
CVE-2026-2909
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-22 Feb, 2026 | 02:02
Updated At-22 Feb, 2026 | 02:02
Rejected At-
▼CVE Numbering Authority (CNA)
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.

Affected Products
Vendor
Tenda Technology Co., Ltd.Tenda
Product
HG9
Modules
  • Diagnostic Ping Endpoint
Versions
Affected
  • 300001138
Problem Types
TypeCWE IDDescription
CWECWE-121Stack-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-121
Description: Stack-based 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
LINXI666 (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-20 00:00:00
VulDB entry created2026-02-20 01:00:00
VulDB entry last update2026-02-20 21:20:02
Event: Advisory disclosed
Date: 2026-02-20 00:00:00
Event: VulDB entry created
Date: 2026-02-20 01:00:00
Event: VulDB entry last update
Date: 2026-02-20 21:20:02
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.347218
vdb-entry
technical-description
https://vuldb.com/?ctiid.347218
signature
permissions-required
https://vuldb.com/?submit.755211
third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/11
exploit
issue-tracking
https://www.tenda.com.cn/
product
Hyperlink: https://vuldb.com/?id.347218
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.347218
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.755211
Resource:
third-party-advisory
Hyperlink: https://github.com/QIU-DIE/cve-nneeww/issues/11
Resource:
exploit
issue-tracking
Hyperlink: https://www.tenda.com.cn/
Resource:
product
Details not found