CVE-2021-44827

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 44.63% Top 5%
Vendor Advisory tp-link.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.tp-link.com/us/security vendor advisory
https://Full-Disclosure.eu third party advisory exploit
https://full-disclosure.eu/reports/2022/CVE-2021-44827-tplink-authenticated-remote-code-execution.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-44827?
CVE-2021-44827 has been scored as a high severity vulnerability.
How to fix CVE-2021-44827?
To fix CVE-2021-44827, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-44827 being actively exploited in the wild?
It is possible that CVE-2021-44827 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~45% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.