CVE-2026-18897 UTT HiPER 1250GW getOneApConfTempEntry strcpy stack-based overflow

High 8.7 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the getOneApConfTempEntry function to potentially execute arbitrary code on the device.

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-2026-18897?

CVE-2026-18897 is a high-severity memory corruption vulnerability in UTT HiPER 1250GW, published on 5 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in UTT HiPER 1250GW up to v3.2.7-210907-180535. The impacted element is the function strcpy of the file /goform/getOneApConfTempEntry. The manipulation of the argument tempName leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2026-18897?

How do I fix CVE-2026-18897?

No fix has been published for CVE-2026-18897 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-2026-18897 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18897 exists.

Sources

Also known as GHSA-74mg-chvx-67jh.

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