F+
Score 0.0/100
↑ Getting Better
Base grade F, shifted by trend

Zyxel

Router CVE Report Card · Last updated Apr 20, 2026 10:44 PM CDT

Total CVEs
296
Last 12 Months
18
Critical (unpatched)
42
CISA KEV
12
Founded
1989
Location
Hsinchu, Taiwan
Sector
Networking / router hardware

Broadband networking equipment manufacturer; multinational with 35+ branch offices globally

CVEs by Year (last 10)

Severity Distribution

Known CVEs

CVE ID Severity CVSS EPSS Published Description
Page 1

Discontinued (End-of-Life) Models

2 model(s) no longer supported. Switch to no-EOL view to filter these out of the stats above.

  • Zyxel NBG6604 (EOL 2023-12-31)
  • Zyxel NWA1123-AC (EOL 2022-12-31)

Data sourced from NVD, FIRST.org EPSS, and CISA KEV. Grade calculation and trend math are documented on the main Report Card.