CVE-2021-26747
CVSS v3
9.8
CRITICAL
EPSS Score
54.8 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-02-18
Frequently asked questions
What is 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.
Is CVE-2021-26747 actively exploited?
Active exploitation of CVE-2021-26747 has not been confirmed. Its EPSS score was 54.8% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-26747?
CVE-2021-26747 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-26747 affecting your environment?
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