CVE-2026-2071 UTT 进取 520W formP2PLimitConfig strcpy buffer overflow

High 8.7 Published Updated

Remote attackers can trigger a buffer overflow in the UTT 520W router's P2P limit configuration, potentially leading to code execution or privilege escalation.

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-2026-2071?

CVE-2026-2071 is a high-severity memory corruption vulnerability in UTT 进取 520W, published on 7 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in UTT 进取 520W 1.7.7-180627. The impacted element is the function strcpy of the file /goform/formP2PLimitConfig. Performing a manipulation of the argument except results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could 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-2026-2071?

It affects 1 product.

Products include Utt 520w Firmware.

How do I fix CVE-2026-2071?

No fix has been published for CVE-2026-2071 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-2026-2071 being exploited?

There is no known exploitation of CVE-2026-2071 in the wild and no public exploit code.

Sources

Also known as GHSA-3fgh-xfv8-6h8h.

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