CVE-2026-52189 Memory corruption in n/a

High 7.5 Published Updated

A remote attacker can cause a denial of service in UTT network devices via a buffer overflow in the gohead component.

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

What is CVE-2026-52189?

CVE-2026-52189 is a high-severity memory corruption vulnerability in n/a, published on 2 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub_487330 component

Weakness: CWE-120

Which versions are affected by CVE-2026-52189?

How do I fix CVE-2026-52189?

No fix has been published for CVE-2026-52189 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-2026-52189 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52189 exists.

Sources

Also known as GHSA-4gm4-wr44-w2q4.

Is CVE-2026-52189 in your software?

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