CVE-2026-15480 Trendnet TEW-635BRM Web Service rc start_httpd stack-based overflow
Remote attackers can execute arbitrary code via a stack-based buffer overflow in the web service of an unsupported Trendnet 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-2026-15480?
CVE-2026-15480 is a high-severity memory corruption vulnerability in Trendnet TEW-635BRM, published on 12 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in Trendnet TEW-635BRM up to 1.00.03. This affects the function start_httpd of the file /sbin/rc of the component Web Service. Such manipulation of the argument device_name leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor explains: "We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to switch devices." This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2026-15480?
How do I fix CVE-2026-15480?
No fix has been published for CVE-2026-15480 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-2026-15480 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15480 exists.
Sources
Also known as GHSA-r87c-jrw7-v29r.