CVE-2018-3950: TP-Link Tl-r600vpn Firmware

High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days.

An exploitable remote code execution vulnerability exists in the ping and tracert functionality of the TP-Link TL-R600VPN HWv3 FRNv1.3.0 and HWv2 FRNv1.2.3 http server. A specially crafted IP address can cause a stack overflow, resulting in remote code execution. An attacker can send a single authenticated HTTP request to trigger this vulnerability.

Affected products

• TP-Link Tl-r600vpn Firmware: version 1.3.0 only; version 1.2.3 only

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