CVE-2021-43663

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.

CVSS v3 7.5 HIGH
CVSS v2.0 7.9 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.9^/10

CVSS v2.0 : HIGH

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

Exploitability : 5.5 / Impact : 10.0

Access Vector ADJACENT_NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:ex300_v2_firmware:4.0.3c.140_b20210429:*:*:*:*:*:*:*

cpe:2.3:h:totolink:ex300_v2:-:*:*:*:*:*:*:*

History

05 Apr 2022, 19:13

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.9 v3 : 7.5
CWE		CWE-77
CPE		cpe:2.3:o:totolink:ex300_v2_firmware:4.0.3c.140_b20210429:::::::* cpe:2.3:h:totolink:ex300_v2:-:::::::*
References	~~(MISC) https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md -~~	(MISC) https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md - Exploit, Third Party Advisory

31 Mar 2022, 00:47

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-03-31 00:15

Updated : 2024-02-04 22:29

NVD link : CVE-2021-43663

Mitre link : CVE-2021-43663

CVE.ORG link : CVE-2021-43663

JSON object : View

Products Affected

totolink

ex300_v2
ex300_v2_firmware

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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