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CVE-2023-1389

8.8
HIGHCVSS v3.1 Base Score
93.28%
HIGH RiskEPSS (100th percentile)
KEV

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: 3/15/2023
Modified: 11/3/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

TP-Link Archer AX-21 Command Injection Vulnerability

Vendor / Product:

TP-Link Archer AX21

Required Action:

Apply updates per vendor instructions.

Due Date: 5/22/2023(OVERDUE)
Added to KEV:

5/1/2023

Notes:

https://www.tp-link.com/us/support/download/archer-ax21/v3/#Firmware; https://nvd.nist.gov/vuln/detail/CVE-2023-1389

Vulnerability Summary

CVSS v3 Score

8.8HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score (Exploitation Probability)

93.28%HIGH Exploitation Risk
100th percentile

This vulnerability has a 93.28% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

CWE Classification

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Same Weakness Type(CWE-77)

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