CVE-2023-1389
Published on March 15, 2023
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.
Known Exploited Vulnerability
This TP-Link Archer AX-21 Command Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.
The following remediation steps are recommended / required by May 22, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2023-1389 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2023-1389
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What versions are vulnerable to CVE-2023-1389?
Each of the following must match for the vulnerability to exist.