CVE-2026-9631 UTT HiPER 1250GW Web Management formConfigFastDirectionW strcpy stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the web management interface via the Profile argument, 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-2026-9631?
CVE-2026-9631 is a high-severity memory corruption vulnerability in UTT HiPER 1250GW, published on 27 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. Affected by this vulnerability is the function strcpy of the file /goform/formConfigFastDirectionW of the component Web Management Interface. Performing a manipulation of the argument Profile results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.
Which versions are affected by CVE-2026-9631?
How do I fix CVE-2026-9631?
No fix has been published for CVE-2026-9631 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-2026-9631 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9631 exists.
Sources
Also known as GHSA-rw9v-f8p5-m34c.