CVSS v3
9.8
CRITICAL
EPSS Score
69.8%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.
A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.
Active exploitation of CVE-2021-4039 has not been confirmed. The EPSS score is 69.8%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-4039 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).