CVE-2021-43663 : totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command inje

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

Published 2022-03-31 00:15:08

Updated 2022-04-05 19:13:09

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-43663

Totolink » Ex300 V2 Firmware » Version: 4.0.3c.140 B20210429
cpe:2.3:o:totolink:ex300_v2_firmware:4.0.3c.140_b20210429:*:*:*:*:*:*:*
Matching versions
When used together with: Totolink » Ex300 V2 » Version: N/A

EPSS FAQ

0.81%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 72 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.9	HIGH	AV:A/AC:M/Au:N/C:C/I:C/A:C	5.5	10.0	NIST
Access Vector: Adjacent Network Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.5	HIGH	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	1.6	5.9	NIST
Attack Vector: Adjacent Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md

iot-vuls/command-injection1.md at main · chibataiki/iot-vuls · GitHub
Exploit;Third Party Advisory

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