CVE-2026-1459

7.2 highEPSS 1.0%

High (7.2) in zyxel. EPSS 1.0% chance of exploitation in the next 30 days.

A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.

Severity

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2026-02-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zyxel:dx5401-b1_firmware
zyxel:emg3525-t50b_firmware
zyxel:emg5523-t50b_firmware
zyxel:vmg3625-t50b_firmware
zyxel:vmg3625-t50c_firmware
zyxel:vmg8623-t50b_firmware

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026

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