CVE-2026-16348

high

Description

An authenticated command injection vulnerability in TP-Link Archer BE800 V1 allows an attacker with administrative access to execute arbitrary system commands with root privileges by injecting shell metacharacters via a VPN connection. Successful exploitation may enable persistent backdoors, credential theft, LAN reconnaissance, and router-assisted attacks against connected devices.

References

https://www.tp-link.com/us/support/faq/5264/

https://www.tp-link.com/us/support/download/archer-be800/v1/#Firmware

https://www.tp-link.com/en/support/download/archer-be800/v1/#Firmware

Details

Source: Mitre, NVD

Published: 2026-08-24

Updated: 2026-08-25

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

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

Severity: High

CVSS v4

Base Score: 8.5

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Severity: High

EPSS

EPSS: 0.00907