#VU19176 Stack-based buffer overflow in TL-WR940N and TL-WR941ND


Published: 2019-07-15

Vulnerability identifier: #VU19176

Vulnerability risk: Medium

CVSSv3.1: 6.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2019-6989

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TL-WR940N
Hardware solutions / Routers for home users
TL-WR941ND
Hardware solutions / Routers for home users

Vendor: TP-Link

Description

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.

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

Vulnerable software versions

TL-WR940N: All versions

TL-WR941ND: All versions


External links
http://www.exploit-db.com/exploits/46678


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.


Latest bulletins with this vulnerability