CVE-2021-44827 Command injection in n/a
Remote authenticated attackers can execute arbitrary OS commands with root privileges via the X_TP_ExternalIPv6Address parameter on TP-Link Archer C20i routers.
- 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-2021-44827?
CVE-2021-44827 is a high-severity command injection vulnerability in n/a, published on 4 Mar 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges.
Weakness: CWE-78
Which versions are affected by CVE-2021-44827?
It affects 1 product.
Products include Tp-Link Archer C20i Firmware.
How do I fix CVE-2021-44827?
No fix has been published for CVE-2021-44827 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-2021-44827 being exploited?
There is no known exploitation of CVE-2021-44827 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-m37g-hc3h-jpg8.