Buffer overflow in TP-Link TL-WR940N and TL-WR941ND
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-6989 |
| CWE-ID | CWE-121 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
TL-WR940N Hardware solutions / Routers for home users TL-WR941ND Hardware solutions / Routers for home users |
| Vendor | TP-Link |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Stack-based buffer overflow
EUVDB-ID: #VU19176
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 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe 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.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsTL-WR940N: All versions
TL-WR941ND: All versions
External linkshttp://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.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
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.
