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CVE-2021-41653

Published: Nov 13, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-94
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
77.5%
Top 0.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a crafted payload in an IP address input field.

CVSS Vector Breakdown

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

CWE-94

Affected Products

n/an/a
TL-WR840N EU v5TP-Link Technologies Co Ltd.Networking Infrastructure
tl-wr840n firmwaretp-linkNetworking Infrastructure
tp-link technologies co ltd.commercialCNNetworking Infrastructureaka tl-wr841n, tl-wr940n, tl-wr886n
tp-linkcommercialTWNetworking Infrastructureaka tp-link, tp link

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

http://tp-link.com
tp-link.com
https://www.tp-link.com/us/press/security-advisory/
tp-link.com
https://k4m1ll0.com/cve-2021-41653.html
k4m1ll0.com
and 4 more references View all →

Timeline

Published
Nov 13, 2021
Last Updated
Nov 21, 2024

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