CVE-2024-54887 Memory corruption in n/a

High 8.0 Published Updated

An authenticated attacker can execute arbitrary code with root privileges on TP-Link TL-WR940N routers via a buffer overflow in DNS configuration parameters.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-54887?

CVE-2024-54887 is a high-severity memory corruption vulnerability in n/a, published on 9 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm. This vulnerability allows an authenticated attacker to execute arbitrary code on the remote device in the context of the root user.

Weakness: CWE-120

Which versions are affected by CVE-2024-54887?

It affects 1 product.

Products include Tp-Link Tl-Wr940n Firmware.

How do I fix CVE-2024-54887?

No fix has been published for CVE-2024-54887 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-2024-54887 being exploited?

There is no known exploitation of CVE-2024-54887 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-qf55-97mm-vqcj.

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