CVE-2024-0999 Totolink N200RE cstecgi.cgi setParentalRules stack-based overflow

High 7.2 Published 29 Jan 2024 Updated 23 Aug 2024

Remote attackers can trigger a stack-based buffer overflow in the parental control settings, potentially executing arbitrary code on the router.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-0999?

CVE-2024-0999 is a high-severity memory corruption vulnerability in Totolink N200RE, published on 29 Jan 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument eTime 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-252268. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-121

Which versions are affected by CVE-2024-0999?

It affects 1 product.

Products include Totolink N200re Firmware.

How do I fix CVE-2024-0999?

No fix has been published for CVE-2024-0999 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-2024-0999 being exploited?

There is no known exploitation of CVE-2024-0999 in the wild and no public exploit code.

Sources

Also known as GHSA-xw8g-vjxc-xg4v.