CVE-2021-42887

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 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

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_login_bypass.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5215:*:*:*:*:*:*:*

cpe:2.3:h:totolink:ex1200t:-:*:*:*:*:*:*:*

History

13 Jun 2022, 18:31

Type	Values Removed	Values Added
First Time		Totolink Totolink ex1200t Totolink ex1200t Firmware
References	~~(MISC) https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_login_bypass.md -~~	(MISC) https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_login_bypass.md - Exploit, Third Party Advisory
CWE		NVD-CWE-noinfo
CPE		cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5215:::::::* cpe:2.3:h:totolink:ex1200t:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8

03 Jun 2022, 12:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-06-03 12:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-42887

Mitre link : CVE-2021-42887

CVE.ORG link : CVE-2021-42887

JSON object : View

Products Affected

totolink

ex1200t
ex1200t_firmware

CWE

NVD-CWE-noinfo

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