CVE-2023-31710: TP-Link Archer AX21 Firmware

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

TP-Link Archer AX21(US)_V3_1.1.4 Build 20230219 and AX21(US)_V3.6_1.1.4 Build 20230219 are vulnerable to Buffer Overflow.

Affected products

• TP-Link Archer AX21 Firmware: version 3.6_1.1.4 only; version 3_1.1.4 only

Published 2023-08-01. Last modified 2026-06-17.