Command Injection in Archer AX21 - CVE-2023-1389
Published: March 15, 2023 / Updated: August 30, 2025
Vulnerability identifier: #VU73718
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2023-1389
CWE-ID: CWE-77
Exploitation vector: Adjecent network
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: TP-Link
Affected software:
Archer AX21
Archer AX21
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in the "country" parameter within the merge_country_config function. A remote unauthenticated attacker on the local network can pass specially crafted data to the application and execute arbitrary commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2023-1389
Install updates from vendor's website.