CVE-2024-21821: TP-Link Archer AX3000 Firmware

High severity, CVSS 8.0. EPSS: 0.4% chance of exploitation in the next 30 days.

Multiple TP-LINK products allow a network-adjacent authenticated attacker with access to the product from the LAN port or Wi-Fi to execute arbitrary OS commands.

Affected products

• TP-Link Archer AX3000 Firmware: before 1.1.2 (fixed in 1.1.2)
• TP-Link Archer AX5400 Firmware: before 1.1.2 (fixed in 1.1.2)
• TP-Link Archer AXE75 Firmware: before 1.1.9 (fixed in 1.1.9)

Published 2024-01-11. Last modified 2026-06-17.