VulnerabilityModified
CVE-2021-4039
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.
CRITICAL 9.8EPSS 71.0%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 71.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 71.05% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- zyxel/nwa1100-nh firmware
- Source
- security@zyxel.com.tw
References
- http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.htmlExploit, Release Notes, Third Party Advisory, VDB Entry
- https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtmlPatch, Vendor Advisory
- http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.htmlExploit, Release Notes, Third Party Advisory, VDB Entry
- https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.