CVE-2026-3699 UTT HiPER 810G formRemoteControl strcpy buffer overflow

High 8.7 Published Updated

Remote attackers can exploit a buffer overflow in the formRemoteControl function to execute arbitrary code on UTT HiPER 810G devices.

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-2026-3699?

CVE-2026-3699 is a high-severity memory corruption vulnerability in UTT HiPER 810G, published on 8 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in UTT HiPER 810G up to 1.7.7-171114. This impacts the function strcpy of the file /goform/formRemoteControl. The manipulation results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-3699?

It affects 1 product.

Products include Utt 810g Firmware.

How do I fix CVE-2026-3699?

No fix has been published for CVE-2026-3699 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-2026-3699 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3699 exists.

Sources

Also known as GHSA-wc73-5vxp-xx43.

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