CVE-2024-40891
HIGH CISA KEVCVSS v3
8.8
HIGH
EPSS Score
—
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
**UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the management commands of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device via Telnet.
CISA Known Exploited Vulnerability
- Date Added
- 2/11/2025
- Patch Due Date
- 3/4/2025
- Required Action
- The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 2/4/2025
- Last Modified
- 10/27/2025
Frequently Asked Questions
What is CVE-2024-40891?
**UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the management commands of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device via Telnet.
Is CVE-2024-40891 actively exploited?
Yes. CVE-2024-40891 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 3/4/2025.
What is the CVSS score for CVE-2024-40891?
CVE-2024-40891 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string 3.1.
Is CVE-2024-40891 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.