CVE-2026-96676 Fast FAC1900R uhttpd get_alias_name stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the uhttpd component of Fast FAC1900R routers, potentially leading to code execution or denial of service.
- 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-2026-96676?
CVE-2026-96676 is a medium-severity memory corruption vulnerability in Fast FAC1900R, published on 23 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in Fast FAC1900R 20190827_2.0.2. The impacted element is the function get_alias_name of the component uhttpd. Such manipulation leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-96676?
How do I fix CVE-2026-96676?
No fix has been published for CVE-2026-96676 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-2026-96676 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-96676 exists.
Sources
Also known as GHSA-mh53-74jr-297q.