TP-Link Archer AX21 - RCE (CVE-2023-1389)
Description
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.
psychologyCrowdSec Analysis
CVE-2023-1389 is a command injection vulnerability found in the web management interface of certain TP-Link Archer devices, allowing unauthenticated attackers to execute commands with root privileges via unsanitized input.
CrowdSec has been tracking this vulnerability and its exploits since 15th of December 2023.
According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2023-1389 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. In addition, according to the CrowdSec network, attack volume against CVE-2023-1389 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
Observed exploitation attempts focus on URLs containing the /cgi-bin/luci/;stok=/locale path.
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| Event | Date |
|---|---|
| CVE Published | 2023-03-15 |
| CISA KEV | 2023-05-01 |
| CISA Remediation Deadline | 2023-05-22 |
| Rule Released | 2023-12-15 |
| CrowdSec First Seen | 2024-11-23 |