What is CVE-2018-3950?

CVE-2018-3950 is a high-severity vulnerability in Talos TP-Link, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-12-01.

How severe is CVE-2018-3950?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-3950 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Talos TP-Link

CVE-2018-3950

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.

Vulnerability class: Buffer Overflow

EPSS: 0.029 (85.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Talos Tp-link — versions TP-Link TL-R600VPN HWv3 FRNv1.3.0 TP-Link TL-R600VPN HWv2 FRNv1.2.3
Tp-link Tl-r600vpn — versions 3, 2
Tp-link Tl-r600vpn_firmware — versions 1.3.0, 1.2.3

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-3950?: CVE-2018-3950 is a high-severity vulnerability in Talos TP-Link, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-12-01.
How severe is CVE-2018-3950?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-3950 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.