CVE-2026-10121 TRENDnet TEW-432BRP formSetUrlFilter stack-based overflow
Remote attackers can execute arbitrary code via a stack-based buffer overflow in the formSetUrlFilter function of this end-of-life router.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-10121?
CVE-2026-10121 is a high-severity memory corruption vulnerability in TRENDnet TEW-432BRP, published on 30 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in TRENDnet TEW-432BRP 3.10B20. The impacted element is the function formSetUrlFilter of the file /goform/formSetUrlFilter. This manipulation of the argument keyword_list/keyword causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor explains: "This product has been EOL for 15 years (since 2009). As the item has been EOL for such a long time, we are not able to replicate or fix any vulnerabilities." This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2026-10121?
How do I fix CVE-2026-10121?
No fix has been published for CVE-2026-10121 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-10121 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10121 exists.
Sources
Also known as GHSA-rpcp-pxcr-gpx8.