CVE-2026-7420 UTT HiPER 1250GW ConfigAdvideo strcpy buffer overflow
Remote attackers can exploit a buffer overflow in the UTT HiPER 1250GW router to execute arbitrary code or escalate privileges.
- 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-2026-7420?
CVE-2026-7420 is a high-severity memory corruption vulnerability in UTT HiPER 1250GW, published on 29 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in UTT HiPER 1250GW up to 3.2.7-210907-180535. Impacted is the function strcpy of the file route/goform/ConfigAdvideo. The manipulation of the argument Profile results in buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2026-7420?
How do I fix CVE-2026-7420?
No fix has been published for CVE-2026-7420 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-2026-7420 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7420 exists.
Sources
Also known as GHSA-j63v-gc5m-5wgg.