CVE-2026-7608 TRENDnet TEW-821DAP tools_diagnostic os command injection
An attacker with permissions can execute arbitrary OS commands on the TRENDnet TEW-821DAP access point via the tools_diagnostic function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7608?
CVE-2026-7608 is a medium-severity command injection vulnerability in TRENDnet TEW-821DAP, published on 2 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Which versions are affected by CVE-2026-7608?
It affects 1 product.
Products include Trendnet Tew-821dap Firmware.
How do I fix CVE-2026-7608?
No fix has been published for CVE-2026-7608 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-7608 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7608 exists.
Other vulnerabilities in TRENDnet TEW-821DAP
Sources
Also known as GHSA-3m9c-j5h2-5ch4.