CVE-2021-26810 Command injection in n/a
Attackers can execute arbitrary commands on D-Link DIR-816 routers via shell metacharacters in the statuscheckpppoeuser parameter.
- 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-2021-26810?
CVE-2021-26810 is a critical command injection vulnerability in Dlink Dir-816 Firmware, published on 30 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
D-link DIR-816 A2 v1.10 is affected by a remote code injection vulnerability. An HTTP request parameter can be used in command string construction in the handler function of the /goform/dir_setWanWifi, which can lead to command injection via shell metacharacters in the statuscheckpppoeuser parameter.
Weakness: CWE-78
Which versions are affected by CVE-2021-26810?
It affects 1 product.
Products include Dlink Dir-816 Firmware.
How do I fix CVE-2021-26810?
No fix has been published for CVE-2021-26810 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-2021-26810 being exploited?
There is no known exploitation of CVE-2021-26810 in the wild and no public exploit code.
Other vulnerabilities in Dlink Dir-816 Firmware
Sources
Also known as GHSA-26qh-mgjw-5hg7.