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CVE-2019-6989

Published: Jun 6, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-787
NVD MITRE
8.8CVSSHIGH
EPSS Score
11.6%
Top 4.5%
CISA KEV
Not in KEV
Exploits
3 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-787

Affected Products

n/an/a
tl-wr940n firmwaretp-linkNetworking Infrastructure
tl-wr941nd firmwaretp-linkNetworking Infrastructure
TL-WR940NTP-Link Technologies Co Ltd.Networking Infrastructure
TL-WR941NDTP-Link Technologies Co Ltd.Networking Infrastructure
tp-linkcommercialTWNetworking Infrastructureaka tp-link, tp link
tp-link technologies co ltd.commercialCNNetworking Infrastructureaka tl-wr841n, tl-wr940n, tl-wr886n

Attack Graph

Products CVE Techniques Tactics

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Exploitability

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.exploit-db.com/exploits/46678/
exploit-db.com
http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html
packetstormsecurity.com
https://cxsecurity.com/cveshow/CVE-2019-6989/
cxsecurity.com
and 3 more references View all →

Timeline

Published
Jun 6, 2019
Last Updated
Nov 21, 2024

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