CVE-2024-27521 Command injection in n/a

High 8.0 Published Updated

Unauthenticated remote attackers can execute arbitrary system commands as root on TOTOLINK A3300R routers via the setOpModeCfg function.

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-2024-27521?

CVE-2024-27521 is a high-severity command injection vulnerability in Totolink A3300r Firmware, published on 26 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote command execution (RCE) vulnerability via multiple parameters in the "setOpModeCfg" function. This security issue allows an attacker to take complete control of the device. In detail, exploitation allows unauthenticated, remote attackers to execute arbitrary system commands with administrative privileges (i.e., as user "root").

Weakness: CWE-78

Which versions are affected by CVE-2024-27521?

It affects 1 product.

Products include Totolink A3300r Firmware.

How do I fix CVE-2024-27521?

No fix has been published for CVE-2024-27521 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2024-27521 being exploited?

There is no known exploitation of CVE-2024-27521 in the wild and no public exploit code.

All Totolink A3300r Firmware vulnerabilities

Sources

Also known as GHSA-x3cr-crpx-mg4r.

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