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CVE-2021-4039criticalobserved exploitationCWE-78

CVE-2021-4039

92Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.

ssvc Actcvss 9.8epss 71%
from disclosure to weapon49 days
Published on NVDMar 1
1st PoC+49d
VulnCheck+86d
exploitation probability
71%top 1% of all CVEs
observed exploitation
yesVulnCheck
2 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.