CVE-2018-3951: TP-Link Tl-r600vpn Firmware

High severity, CVSS 7.2. EPSS: 3.9% chance of exploitation in the next 30 days.

An exploitable remote code execution vulnerability exists in the HTTP header-parsing function of the TP-Link TL-R600VPN HTTP Server. A specially crafted HTTP request can cause a buffer overflow, resulting in remote code execution on the device. An attacker can send an authenticated HTTP request to trigger this vulnerability.

Affected products

• TP-Link Tl-r600vpn Firmware: any version

Published 2018-12-01. Last modified 2026-06-17.