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-2024-40890
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 .2070 97.5 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
Description
**UNSUPPORTED WHEN ASSIGNED**
A post-authentication command injection vulnerability in the CGI program 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 by sending a crafted HTTP POST request.
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 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-40890 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.