CVE-2018-3950

Name: CVE-2018-3950
Creator: NVD / NIST
Published: 2018-12-01T04:29:00.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.92%

Last modified Jun 17, 2026

CVE-2018-3950 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 2.92% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.92%

85.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-R600vpn Firmware	1.3.0
Tp-Link	Tl-R600vpn Firmware	1.2.3

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0619Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0619Exploit, Third Party Advisory

Timeline

Published: Dec 1, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3950?

How severe is CVE-2018-3950?

CVE-2018-3950 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.92% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3950?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3950?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST