CVE-2026-2935 UTT HiPER 810G ConfigExceptMSN strcpy buffer overflow

High 8.6 Published Updated

Remote attackers can trigger a buffer overflow in the UTT HiPER 810G router via the remark argument, potentially leading to code execution or service disruption.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-2935?

CVE-2026-2935 is a high-severity memory corruption vulnerability in UTT HiPER 810G, published on 22 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A weakness has been identified in UTT HiPER 810G up to 1.7.7-171114. This issue affects the function strcpy of the file /goform/ConfigExceptMSN. Executing a manipulation of the argument remark can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-2935?

It affects 1 product.

Products include Utt 810g Firmware.

How do I fix CVE-2026-2935?

No fix has been published for CVE-2026-2935 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-2026-2935 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2935 exists.

Sources

Also known as GHSA-9cqv-87fq-8fjx.

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