CVE-2026-31062 Memory corruption in n/a

Medium 4.5 Published Updated

Attackers can cause a Denial of Service on UTT Aggressive 520W routers via a buffer overflow in the FTP server configuration.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-31062?

CVE-2026-31062 is a medium-severity memory corruption vulnerability in n/a, published on 6 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the filename parameter of the formFtpServerDirConfig function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Weakness: CWE-120

Which versions are affected by CVE-2026-31062?

It affects 1 product.

Products include Utt 520w Firmware.

How do I fix CVE-2026-31062?

No fix has been published for CVE-2026-31062 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-2026-31062 being exploited?

There is no known exploitation of CVE-2026-31062 in the wild and no public exploit code.

Sources

Also known as GHSA-mr7p-c5rw-q9vj.

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