CVE-2021-41653

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 v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://tp-link.com	Vendor Advisory
https://k4m1ll0.com/cve-2021-41653.html	Exploit Third Party Advisory
https://www.tp-link.com/us/press/security-advisory/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr840n_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr840n:v5:*:*:*:*:*:*:*

History

17 Nov 2021, 14:41

Type	Values Removed	Values Added
CPE		cpe:2.3:h:tp-link:tl-wr840n:v5:::::::* cpe:2.3:o:tp-link:tl-wr840n_firmware::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 9.8
References	~~(MISC) https://k4m1ll0.com/cve-2021-41653.html -~~	(MISC) https://k4m1ll0.com/cve-2021-41653.html - Exploit, Third Party Advisory
References	~~(MISC) http://tp-link.com -~~	(MISC) http://tp-link.com - Vendor Advisory
References	~~(MISC) https://www.tp-link.com/us/press/security-advisory/ -~~	(MISC) https://www.tp-link.com/us/press/security-advisory/ - Vendor Advisory
CWE		CWE-94

13 Nov 2021, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-11-13 15:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-41653

Mitre link : CVE-2021-41653

CVE.ORG link : CVE-2021-41653

JSON object : View

Products Affected

tp-link

tl-wr840n
tl-wr840n_firmware

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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