QID 730796

Date Published: 2023-05-10

QID 730796: TP-Link Archer AX21 (AX1800) Unauthenticated Command Injection Vulnerability

TP-Link Archer AX21 (AX1800) firmware versions before 1.1.4 Build 20230219 contained a command injection vulnerability in the country form of the /cgi-bin/luci;stok=/locale endpoint on the web management interface. Specifically, the country parameter of the write operation was not sanitized before being used in a call to popen(), allowing an unauthenticated attacker to inject commands, which would be run as root, with a simple POST request.

Affected Version:
TP-Link Archer AX21 (AX1800) firmware versions before 1.1.4 Build 20230219

QID Detection Logic (Unauthenticated):
This QID checks for vulnerable instances of TP-Link Archer AX21 (AX1800) by sending a crafted payload to the router. A vulnerable router will connect back to our scanner on a random port decided at the time of scanning, for confirming the command injection vulnerability.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code remotely.

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as Critical - 8.3 severity.

Solution

Vendor has released patch addressing the vulnerability. For more information, please refer to TP-Link Archer AX21 Firmware Download Page

Vendor References

CVEs related to QID 730796

CVE-2023-1389 |

Software Advisories

Advisory ID	Software	Component	Link
TP-Link Archer AX21 Firmware Download Page			www.tp-link.com/us/support/download/archer-ax21/v3/#Firmware

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].