CVE-2026-3165 Tenda F453 httpd AdvSetWrlsafeset fromSetWifiGusetBasic buffer overflow

High 8.7 Published Updated

Remote attackers can trigger a buffer overflow in the Tenda F453 router's httpd service via the mit_ssid argument, potentially leading to code execution or denial of service.

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-2026-3165?

CVE-2026-3165 is a high-severity memory corruption vulnerability in Tenda F453, published on 25 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in Tenda F453 1.0.0.3. Impacted is the function fromSetWifiGusetBasic of the file /goform/AdvSetWrlsafeset of the component httpd. This manipulation of the argument mit_ssid causes buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-3165?

It affects 1 product.

Products include Tenda F453 Firmware.

How do I fix CVE-2026-3165?

No fix has been published for CVE-2026-3165 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-2026-3165 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3165 exists.

Sources

Also known as GHSA-hmg7-v7c7-65qj.

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