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CVE-2024-40891

CISA KEV

Published February 11, 2025 · Updated April 3, 2026

high
Official Description+

Multiple Zyxel DSL CPE devices contain a post-authentication command injection vulnerability in the management commands that could allow an authenticated attacker to execute OS commands via Telnet.

Affected Products

VendorProduct
ZyxelDSL CPE Devices

Patch Status

Patch by 2025-03-04

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2024-40891.