Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2024-40891

CVE-2024-40891HIGH

Zyxel DSL CPE Devices

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   N  U  H  H  H    8.8   .2154   97.6   YES

AFFECTED
  Product                Versions                      Fixed
  VMG4325-B10A firmware  <= 1.00(AAFR.4)C0_20170615 –  —

TIMELINE
  Jul 11  Reserved by Zyxel
  Feb 4   Published (CNA: Zyxel)
  Feb 11  Added to CISA KEV, remediation due 2025-03-04

CWE-78 · CNA: Zyxel · CVSS v3.1 · 2 references · KEV due March 4, 2025

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 11, 2024	Reserved	Reserved by Zyxel
February 4, 2025	Published	Published (CNA: Zyxel)
February 11, 2025	KEV ADDED	Added to CISA KEV, remediation due 2025-03-04

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Zyxel	VMG4325-B10A firmware	—	<= 1.00(AAFR.4)C0_20170615	—

Weaknesses

CWE-78

References (2)

Authoritative record: CVE-2024-40891 at cve.org

Vendors: zyxel

Weaknesses: CWE-78

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-40891 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.