CVE-2026-76004 UTT HiPER 1250GW HTTP aspApBasicConfigUrcp strcpy stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the HTTP handler of UTT HiPER 1250GW routers via the pvid parameter, potentially leading to code execution or service disruption.
- 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-2026-76004?
CVE-2026-76004 is a critical memory corruption vulnerability in UTT HiPER 1250GW, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. Affected by this vulnerability is the function strcpy of the file /goform/aspApBasicConfigUrcp of the component HTTP Handler. The manipulation of the argument pvid leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-76004?
How do I fix CVE-2026-76004?
No fix has been published for CVE-2026-76004 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-2026-76004 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-76004 exists.
Sources
Also known as GHSA-jcc9-hpv7-rgf8.