{"id":"CVE-2023-1389","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-1389","generatedAt":"2026-10-31T11:45:26.530Z","title":"TP-Link Archer AX-21 Command Injection Vulnerability","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.","published":"2023-03-15T23:15:09.000Z","lastModified":"2026-06-17T05:27:51.000Z","status":"Analyzed","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-77"],"affected":["tp-link/archer ax21 firmware"],"epss":{"score":0.99999,"percentile":0.99992,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2023-05-01","dueDate":"2023-05-22","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://www.tp-link.com/us/support/download/archer-ax21/v3/#Firmware;  https://nvd.nist.gov/vuln/detail/CVE-2023-1389"},"exploits":{"count":1,"verified":false,"firstPublished":"2023-08-10","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":51677,"kind":"exploit","title":"TP-Link Archer AX21 - Unauthenticated Command Injection","url":"https://www.exploit-db.com/exploits/51677","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/remote/51677.py","file":"exploits/hardware/remote/51677.py","published":"2023-08-10","added":"2023-08-10","updated":"2023-08-10","author":"Voyag3r","type":"remote","platform":"hardware","port":null,"verified":false,"codes":["CVE-2023-1389"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 May 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/174131/TP-Link-Archer-AX21-Command-Injection.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2023-11","tags":["Exploit","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"http://packetstormsecurity.com/files/174131/TP-Link-Archer-AX21-Command-Injection.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/research/tra-2023-11","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-1389","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-1389","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}