CVE-2026-101037 FAST FAC1200R devdiscover Service parse_advertisement_frame stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the devdiscover service of FAST FAC1200R routers, potentially executing arbitrary code.
- 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-2026-101037?
CVE-2026-101037 is a critical memory corruption vulnerability in FAST FAC1200R, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in FAST FAC1200R 5.0_20201119_1.0.2. Affected is the function parse_advertisement_frame of the component devdiscover Service. The manipulation results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-101037?
How do I fix CVE-2026-101037?
No fix has been published for CVE-2026-101037 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-2026-101037 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-101037 exists.
Sources
Also known as GHSA-95q6-8fg4-hpvm.