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Vulnerability Details :

CVE-2026-7610

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-02 May, 2026 | 09:15
Updated At-04 May, 2026 | 13:42
Rejected At-
Credits

TRENDnet TEW-821DAP Firmware Update ssi cleartext transmission

A vulnerability has been found in TRENDnet TEW-821DAP 1.12B01. This affects an unknown function of the file /www/cgi/ssi of the component Firmware Update. Such manipulation leads to cleartext transmission of sensitive information. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.

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)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:02 May, 2026 | 09:15
Updated At:04 May, 2026 | 13:42
Rejected At:
▼CVE Numbering Authority (CNA)
TRENDnet TEW-821DAP Firmware Update ssi cleartext transmission

A vulnerability has been found in TRENDnet TEW-821DAP 1.12B01. This affects an unknown function of the file /www/cgi/ssi of the component Firmware Update. Such manipulation leads to cleartext transmission of sensitive information. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.

Affected Products
Vendor
TRENDnet, Inc.TRENDnet
Product
TEW-821DAP
CPEs
  • cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*
Modules
  • Firmware Update
Versions
Affected
  • 1.12B01
Problem Types
TypeCWE IDDescription
CWECWE-319Cleartext Transmission of Sensitive Information
CWECWE-310Cryptographic Issues
Type: CWE
CWE ID: CWE-319
Description: Cleartext Transmission of Sensitive Information
Type: CWE
CWE ID: CWE-310
Description: Cryptographic Issues
Metrics
VersionBase scoreBase severityVector
4.06.3MEDIUM
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.13.7LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.03.7LOW
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
2.02.6N/A
AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 3.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Version: 3.0
Base score: 3.7
Base severity: LOW
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Version: 2.0
Base score: 2.6
Base severity: N/A
Vector:
AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
IOT_Res (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-01 00:00:00
VulDB entry created2026-05-01 02:00:00
VulDB entry last update2026-05-01 14:13:02
Event: Advisory disclosed
Date: 2026-05-01 00:00:00
Event: VulDB entry created
Date: 2026-05-01 02:00:00
Event: VulDB entry last update
Date: 2026-05-01 14:13:02
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/360567
vdb-entry
https://vuldb.com/vuln/360567/cti
signature
permissions-required
https://vuldb.com/submit/806217
third-party-advisory
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Down.md
patch
Hyperlink: https://vuldb.com/vuln/360567
Resource:
vdb-entry
Hyperlink: https://vuldb.com/vuln/360567/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/806217
Resource:
third-party-advisory
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Down.md
Resource:
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:02 May, 2026 | 10:16
Updated At:06 May, 2026 | 20:25

A vulnerability has been found in TRENDnet TEW-821DAP 1.12B01. This affects an unknown function of the file /www/cgi/ssi of the component Firmware Update. Such manipulation leads to cleartext transmission of sensitive information. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.9LOW
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.13.7LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary2.02.6LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N
Type: Secondary
Version: 4.0
Base score: 2.9
Base severity: LOW
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 3.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 2.0
Base score: 2.6
Base severity: LOW
Vector:
AV:N/AC:H/Au:N/C:P/I:N/A:N
CPE Matches
TRENDnet, Inc.
trendnet
>>tew-821dap_firmware>>1.12b01
cpe:2.3:o:trendnet:tew-821dap_firmware:1.12b01:*:*:*:*:*:*:*
TRENDnet, Inc.
trendnet
>>tew-821dap>>1.0r
cpe:2.3:h:trendnet:tew-821dap:1.0r:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-310Primarycna@vuldb.com
CWE-319Primarycna@vuldb.com
CWE ID: CWE-310
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-319
Type: Primary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Down.mdcna@vuldb.com
Exploit
Third Party Advisory
https://vuldb.com/submit/806217cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/360567cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/360567/cticna@vuldb.com
Permissions Required
VDB Entry
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Down.md
Source: cna@vuldb.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://vuldb.com/submit/806217
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/360567
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/360567/cti
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry

Change History

0
Information is not available yet

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