CVE-2019-6989

HIGH

TP-Link TL-WR940N - Buffer Overflow

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC

by Grzegorz Wypych · pythonremotehardware

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

View Code ZIP pw:eip

References (2)

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/46678/

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html

Scores

CVSS v3 8.8

EPSS 0.1908

EPSS Percentile 95.4%

Attack Vector NETWORK

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

Details

CWE

CWE-787

Status published

Products (2)

tp-link/tl-wr940n_firmware

tp-link/tl-wr941nd_firmware

Published Jun 06, 2019

Tracked Since Feb 18, 2026