CVE-2021-46122

Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Overflow via the Password reset feature.

CVSS v3 7.2 HIGH
CVSS v2.0 9.0 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://k4m1ll0.com/cve-tplink-tlwr840n-euV620-password-reset.html	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr840n_firmware:0.9.1_4.17_v0001.0:build_201124_rel.64328n:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr840n:6.20:*:*:*:*:*:*:*

History

26 Apr 2022, 18:25

Type	Values Removed	Values Added
CPE		cpe:2.3:h:tp-link:tl-wr840n:6.20:::::::* cpe:2.3:o:tp-link:tl-wr840n_firmware:0.9.1_4.17_v0001.0:build_201124_rel.64328n::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 9.0 v3 : 7.2
CWE		CWE-120
References	~~(MISC) https://k4m1ll0.com/cve-tplink-tlwr840n-euV620-password-reset.html -~~	(MISC) https://k4m1ll0.com/cve-tplink-tlwr840n-euV620-password-reset.html - Exploit, Third Party Advisory
First Time		Tp-link Tp-link tl-wr840n Firmware Tp-link tl-wr840n

18 Apr 2022, 17:45

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-04-18 16:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-46122

Mitre link : CVE-2021-46122

CVE.ORG link : CVE-2021-46122

JSON object : View

Products Affected

tp-link

tl-wr840n_firmware
tl-wr840n

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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