KEV Monitor
← Back to catalog

TP-Link · Archer AX21

CVE-2023-1389

TP-Link Archer AX-21 Command Injection Vulnerability

CISA KEV record

CISA date added
2023-05-01
CISA due date
2023-05-22
Known ransomware use
Unknown

NVD risk context

8.8 HIGH

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

View NVD record ↗
Attack vector
Adjacent
An attacker must be on the same local or adjacent network.
Attack complexity
Low
Exploitation does not require unusual conditions beyond normal attacker control.
Privileges required
None
The attacker does not need an existing account or privileges.
User interaction
None
No action by another user is required.

Description

TP-Link Archer AX-21 contains a command injection vulnerability that allows for remote code execution.

Required action

Apply updates per vendor instructions.

NVD reference index

Vendor and remediation references

NVD has not tagged a reference for this KEV as a patch, mitigation, release note, or vendor advisory.

Other NVD references (3)

MITRE CWE context

CWE classification

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

View official MITRE CWE details ↗

NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
Mar 15, 2023, 11:15 PM UTC
When NVD first published this CVE record.
NVD last updated
Jun 17, 2026, 05:27 AM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

View NVD record ↗

CISA notes

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