Vulnerability · Published May 2, 2026 · Assigned by VulDB

CVE-2026-7608TRENDnet TEW-821DAP tools_diagnostic os command injection

Medium 5.5

In plain English

A medium-severity OS command injection in TEW-821DAP from TRENDnet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 5.7% (higher than 93% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)5.7%top 7.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
TRENDnet	TEW-821DAP	1.12B01

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-360565 | TRENDnet TEW-821DAP tools_diagnostic os command injection vdb-entry, technical-description
VDB-360565 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #806215 | Trendnet TEW-821DAP v1.12B01 CWE-78 Improper Neutralization of Special Elements used in an OS third-party-advisory
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI1.md exploit, patch