CVE-2025-6732 UTT HiPER 840G API setSysAdm strcpy buffer overflow

High 8.7 Published Updated

Remote attackers can trigger a buffer overflow in the UTT HiPER 840G API via the passwd1 argument, 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-2025-6732?

CVE-2025-6732 is a high-severity memory corruption vulnerability in UTT HiPER 840G, published on 26 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been classified as critical. This affects the function strcpy of the file /goform/setSysAdm of the component API. The manipulation of the argument passwd1 leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-6732?

It affects 1 product.

Products include Utt 840g Firmware.

How do I fix CVE-2025-6732?

No fix has been published for CVE-2025-6732 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-2025-6732 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6732 exists.

Sources

Also known as GHSA-x2fh-cm22-vr47.

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