Applied Cybernetics Group
Threat intel → detection pipeline
Tuesday, July 14, 2026
Data as of 20:11 UTC

TP-Link Archer AX-21 Command Injection Vulnerability

Added to KEV
2023-05-01
Federal due date
2023-05-22
Vendor
TP-Link
Product
Archer AX21
EPSS
100.0th percentile (score 1.000, as of 2026-07-13)
NVD CVSS v3.1
Ransomware use
Unknown
ATT&CK
T1041 , T1070 , T1106 , T1496 , T1498 · signal rollup
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-1389

CISA short description

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

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.