CVE-2026-6186 UTT HiPER 1200GW formNatStaticMap strcpy buffer overflow
Remote attackers can trigger a buffer overflow in the UTT HiPER 1200GW router via the formNatStaticMap interface, potentially leading to code execution.
- 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-2026-6186?
CVE-2026-6186 is a high-severity memory corruption vulnerability in UTT HiPER 1200GW, published on 13 Apr 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 1200GW up to 2.5.3-170306. This vulnerability affects the function strcpy of the file /goform/formNatStaticMap. The manipulation of the argument NatBind leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-6186?
How do I fix CVE-2026-6186?
No fix has been published for CVE-2026-6186 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-2026-6186 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6186 exists.
Sources
Also known as GHSA-f5v3-ff4w-cjrp.