SARA / Free Tools / CVE / CVE-2023-1389

CVE-2023-1389 — TP-Link Archer AX-21 Command Injection Vulnerability

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

CVSS
EPSS
93.54% (top 0.20%)
CWE
Published
2023-03-15T00:00:00.000Z
Last modified
2025-10-21T23:15:23.352Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2023-05-01
BOD 22-01 due
2023-05-22
Ransomware use
Unknown

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
na / TPLink Archer AX21 (AX1800) — All versions prior to version 1.14 Build 20230219

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-05-01. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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