Sigma rule: CVE-2023-1389 Potential Exploitation Attempt - Unauthenticated Command Injection In TP-Link Archer AX21

Rule

Title

CVE-2023-1389 Potential Exploitation Attempt - Unauthenticated Command Injection In TP-Link Archer AX21

Status

test

Level

medium

Author

Nasreddine Bencherchali (Nextron Systems), Rohit Jain

Date

2024-06-25

File

rules-emerging-threats/2023/Exploits/CVE-2023-1389/proxy_exploit_cve_2023_1389_unauth_command_injection_tplink_archer_ax21.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects potential exploitation attempt of CVE-2023-1389 an Unauthenticated Command Injection in TP-Link Archer AX21.

Log source

category

proxy

Detection

selection_uri:
    cs-method:
        - 'GET'
        - 'POST'
    cs-uri|contains|all:
        - '/cgi-bin/luci/;stok=/locale'
        - 'form=country'
selection_keyword:
    - 'operation=write'
    - 'country=$('
condition: all of selection_*

False positives (as the rule lists them)

• Vulnerability Scanners

Tags

• attack.initial-access
• attack.t1190
• cve.2023-1389
• detection.emerging-threats

CVEs this rule names

• CVE-2023-1389

MITRE ATT&CK ids this rule names

• T1190

References

• https://www.tenable.com/security/research/tra-2023-11
• https://github.com/Voyag3r-Security/CVE-2023-1389/blob/4ecada7335b17bf543c0e33b2c9fb6b6215c09ae/archer-rev-shell.py
• https://www.zerodayinitiative.com/blog/2023/4/21/tp-link-wan-side-vulnerability-cve-2023-1389-added-to-the-mirai-botnet-arsenal

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2023/Exploits/CVE-2023-1389/proxy_exploit_cve_2023_1389_unauth_command_injection_tplink_archer_ax21.yml