High severity · published Mar 31, 2022
CVE-2021-43663
totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check
7.5
CVSS
1%
EPSS
No
On KEV
Description
totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EV
Ex300 V2 Firmware · Totolink
4.0.3c.140_b20210429 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43663
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43663
Exploit
https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md
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