CVE-2024-21821

HIGH

TP-LINK Archer AX3000/AX5400/AXE75 Firmware < 1.1.2/1.1.9 - Authenticated OS Command Injection

Title source: llm

Description

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.

References (5)

Core 5

Core References

Various Sources

https://www.tp-link.com/jp/support/download/archer-air-r5/v1/#Firmware

Third Party Advisory

https://jvn.jp/en/vu/JVNVU91401812/

Product

https://www.tp-link.com/jp/support/download/archer-ax3000/#Firmware

Product

https://www.tp-link.com/jp/support/download/archer-ax5400/#Firmware

Product

https://www.tp-link.com/jp/support/download/archer-axe75/#Firmware

Scores

CVSS v3 8.0

EPSS 0.0010

EPSS Percentile 26.7%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-78

Status published

Products (3)

tp-link/archer_ax3000_firmware < 1.1.2

tp-link/archer_ax5400_firmware < 1.1.2

tp-link/archer_axe75_firmware < 1.1.9

Published Jan 11, 2024

Tracked Since Feb 18, 2026