CVE-2023-1389
TP-Link Archer AX-21 Command Injection Vulnerability
Published Mar 15, 2023 · updated Jun 16, 2026 · tp-link archer ax21 firmware
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.
Timeline
Detection, updates, and resolution for this record.
Mar 15, 2023 · Catalog
Detected
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
May 1, 2023 · CISA KEV
Known exploited
Apply updates per vendor instructions.
May 22, 2023 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
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
Required action
Apply updates per vendor instructions.
CISA due date May 22, 2023
Affected
- cpe tp-link/archer ax21 firmwareversion unspecified
- vendor TP-Link Archer AX21version unspecified
Sources
- CISA KEVCVE-2023-1389
TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.
cisa.gov - CVE.orgCVE-2023-1389
Official CVE identifier
cve.org - FIRST EPSSCVE-2023-1389
30-day exploitation probability 100.0%
first.org - Exploit Database51677
Public archive entry. The exploit body is not stored here.
exploit-db.com - NIST NVDCVE-2023-1389
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 no
nvd.nist.gov