CVE-2025-7418 Tenda O3V2 httpd setPing fromPingResultGet stack-based overflow

High 8.7 Published Updated

A remote attacker can trigger a stack-based buffer overflow in the Tenda O3V2 router's httpd service via the setPing endpoint, potentially leading to arbitrary 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-2025-7418?

CVE-2025-7418 is a high-severity memory corruption vulnerability in Tenda O3V2, published on 10 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Tenda O3V2 1.0.0.12(3880) and classified as critical. Affected by this issue is the function fromPingResultGet of the file /goform/setPing of the component httpd. The manipulation of the argument destIP leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2025-7418?

It affects 1 product.

Products include Tenda O3 Firmware.

How do I fix CVE-2025-7418?

No fix has been published for CVE-2025-7418 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-2025-7418 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7418 exists.

Sources

Also known as GHSA-jh8w-qqmx-q3r2.

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