CVE-2026-14721 UTT HiPER 1250GW Web Endpoint ConfigWirelessBase_5g stack-based overflow

High 8.7 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the UTT HiPER 1250GW web endpoint via the ssid 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-2026-14721?

CVE-2026-14721 is a high-severity memory corruption vulnerability in UTT HiPER 1250GW, published on 5 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects an unknown function of the file /goform/ConfigWirelessBase_5g of the component Web Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2026-14721?

How do I fix CVE-2026-14721?

No fix has been published for CVE-2026-14721 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-2026-14721 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14721 exists.

Sources

Also known as GHSA-497j-pwp3-mjvj.

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