Critical severity · published Feb 18, 2021
CVE-2021-26747
Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution
9.8
CVSS
54.8%
EPSS
No
On KEV
Description
Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)54.8% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wf2411 Firmware · Netis-systems
1.1.29629 · source: NVD
WF
Wf2780 Firmware · Netis-systems
2.3.40404 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26747
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26747
Product
http://www.netis-systems.com.tw/
Exploit
https://github.com/yhstar00/netis-route
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