CVE-2021-20696 Command injection in DAP-1880AC

High 8.8 Published Updated

Remote authenticated attackers can execute arbitrary OS commands on D-Link DAP-1880AC devices via crafted CGI requests.

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

What is CVE-2021-20696?

CVE-2021-20696 is a high-severity command injection vulnerability in D-Link Japan K.K. DAP-1880AC, published on 26 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program.

Weakness: CWE-78

Which versions are affected by CVE-2021-20696?

It affects 1 product.

Products include Dlink Dap-1880ac Firmware.

How do I fix CVE-2021-20696?

No fix has been published for CVE-2021-20696 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-2021-20696 being exploited?

There is no known exploitation of CVE-2021-20696 in the wild and no public exploit code.

Sources

Also known as GHSA-6m5x-4wq8-j6qg.

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