CVE-2021-25812 Command injection in n/a

Critical 9.8 Published 29 Apr 2021 Updated 3 Aug 2024

Attackers can execute arbitrary commands on China Mobile An Lianbao WF-1 routers via the ip parameter in the set_online_client API.

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-2021-25812?

CVE-2021-25812 is a critical command injection vulnerability in n/a, published on 29 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Command injection vulnerability in China Mobile An Lianbao WF-1 1.01 via the 'ip' parameter with a POST request to /api/ZRQos/set_online_client.

Weakness: CWE-77

Which versions are affected by CVE-2021-25812?

It affects 1 product.

Products include Chinamobile an Lianbao Wf-1 Firmware.

How do I fix CVE-2021-25812?

No fix has been published for CVE-2021-25812 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-2021-25812 being exploited?

There is no known exploitation of CVE-2021-25812 in the wild and no public exploit code.

Sources

Also known as GHSA-c527-v9cp-3724.