CVE-2024-0538 Tenda W9 httpd formQosManage_auto stack-based overflow

High 8.8 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the Tenda W9 router's httpd service via the ssidIndex parameter, 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-2024-0538?

CVE-2024-0538 is a high-severity memory corruption vulnerability in Tenda W9, published on 15 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in Tenda W9 1.0.0.7(4456) and classified as critical. This vulnerability affects the function formQosManage_auto of the component httpd. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250708. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2024-0538?

It affects 1 product.

Products include Tenda W9 Firmware.

How do I fix CVE-2024-0538?

No fix has been published for CVE-2024-0538 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-2024-0538 being exploited?

There is no known exploitation of CVE-2024-0538 in the wild and no public exploit code.

Sources

Also known as GHSA-39qp-7mxh-5jrr.

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