CVE-2024-1783 Totolink LR1200GB Web Interface cstecgi.cgi loginAuth stack-based overflow

Critical 9.8 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the web interface login function, potentially executing arbitrary code on the router.

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

What is CVE-2024-1783?

CVE-2024-1783 is a critical memory corruption vulnerability in Totolink LR1200GB, published on 23 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130/9.3.5u.6698_B20230810. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi of the component Web Interface. The manipulation of the argument http_host leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-254574 is the identifier assigned to this vulnerability. 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-2024-1783?

It affects 1 product.

Products include Totolink Lr1200gb Firmware.

How do I fix CVE-2024-1783?

No fix has been published for CVE-2024-1783 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-2024-1783 being exploited?

There is no known exploitation of CVE-2024-1783 in the wild and no public exploit code.

Sources

Also known as GHSA-7q9j-8gpw-vmc6.

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