CVE-2026-16348

HighCVSS 8.5/10Last modified Oct 12, 2026

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.

Metrics

CVSS 4.0 8.5/10CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-78

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
TP-Link Systems Inc.Archer BE800 v1< 1.4.2 Build 260708

References

Timeline

Published
Aug 24, 2026
Last modified
Oct 12, 2026
NVD status
Awaiting Analysis

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CVE-2026-16348: High severity, CVSS 8.5 | Vulnix