Home/CVE/A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function tools_diagnostic
CVE

CVE-2026-7608

A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function tools_diagnostic

A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function tools_diagnostic. The manipulation results in os command injection.

The exploit is now 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.

MEDIUM · CVSS 5.5 EPSS 0.01566
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

1
trendnet tew-821dap firmwareall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · TEW-821DAP_CI1.mdgithub.com
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 May 2026 · 09:16 AM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/submit/806215Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/360565Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/360565/ctiPermissions RequiredVDB Entry
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