Stack-based buffer overflow in TL-WR940N and TL-WR941ND - CVE-2019-6989

 

Stack-based buffer overflow in TL-WR940N and TL-WR941ND - CVE-2019-6989

Published: July 15, 2019


Vulnerability identifier: #VU19176
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-6989
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the ipAddrDispose function at PingIframeRpm.htm page. A remote authenticated attacker can send an overly long request, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

TL-WR940N
TL-WR941ND

How to mitigate CVE-2019-6989

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins