PT-2019-3733 · Tp Link · Tp-Link Tl-Wr941Nd+1

H0Rac · Published 2019-06-06 · Updated 2020-08-24 · CVE-2019-6989

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions TP-Link TL-WR940N version not specified TP-Link TL-WR941ND version not specified

Description The issue is caused by a stack-based buffer overflow due to improper bounds checking by the ipAddrDispose function. This can be exploited by sending specially crafted ICMP echo request packets, allowing a remote authenticated attacker to overflow a buffer and execute arbitrary code on the system with elevated privileges.

Recommendations For TP-Link TL-WR940N, at the moment, there is no information about a newer version that contains a fix for this vulnerability. For TP-Link TL-WR941ND, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

BDU:2019-03988

CVE-2019-6989

Affected Products

Tp-Link Tl-Wr940N

Tp-Link Tl-Wr941Nd

References · 6

• 🔥 https://exploit-db.com/exploits/46678 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-6989 · Security Note
• https://bdu.fstec.ru/vul/2019-03988 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/156161 · Note
• http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html · Note
• https://cxsecurity.com/cveshow/CVE-2019-6989 · Note