High severity · published Jun 2, 2022
CVE-2021-42877
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EF
Ex1200t Firmware · Totolink
4.1.2cu.5215 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42877
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42877
Vendor Advisory
http://totolink.net/
Exploit
https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_reboot.md
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