CVE-2019-6989

Published: Jun 6, 2019Modified: Jun 17, 2026

8.8

Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function. By sending specially crafted ICMP echo request packets, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.

Affected (2)

Products: Tp Link: Tl Wr940n Firmware, Tl Wr941nd Firmware

2 products

Tl Wr940n Firmware

Tl Wr941nd Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tp Link Tl Wr940n Firmware	All versions

Running on/with	Platform Versions
Tp Link Tl Wr940n	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Tp Link Tl Wr941nd Firmware	All versions

Running on/with	Platform Versions
Tp Link Tl Wr941nd	All versions

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html

Source: cve@mitre.org

https://www.exploit-db.com/exploits/46678/

Source: cve@mitre.org

http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.exploit-db.com/exploits/46678/

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.