CVE-2025-0890

CRITICAL

9.8

Description

**UNSUPPORTED WHEN ASSIGNED** Insecure default credentials for the Telnet function in the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an attacker to log in to the management interface if the administrators have the option to change the default credentials but fail to do so.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/4/2025

Last Modified12/15/2025

Sourcenvd

Honeypot Sightings0

Affected Products

zyxel:sbg3300-n000zyxel:sbg3300-n000_firmwarezyxel:sbg3300-nb00zyxel:sbg3300-nb00_firmwarezyxel:sbg3500-n000zyxel:sbg3500-n000_firmwarezyxel:sbg3500-nb00zyxel:sbg3500-nb00_firmwarezyxel:vmg1312-b10azyxel:vmg1312-b10a_firmwarezyxel:vmg1312-b10bzyxel:vmg1312-b10b_firmwarezyxel:vmg1312-b10ezyxel:vmg1312-b10e_firmwarezyxel:vmg3312-b10azyxel:vmg3312-b10a_firmwarezyxel:vmg3313-b10azyxel:vmg3313-b10a_firmwarezyxel:vmg3926-b10bzyxel:vmg3926-b10b_firmwarezyxel:vmg4325-b10azyxel:vmg4325-b10a_firmwarezyxel:vmg4380-b10azyxel:vmg4380-b10a_firmwarezyxel:vmg8324-b10azyxel:vmg8324-b10a_firmwarezyxel:vmg8924-b10azyxel:vmg8924-b10a_firmware

Weaknesses (CWE)

CWE-287CWE-522

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-insecure-default-credentials-vulnerabilities-in-certain-legacy-dsl-cpe-02-04-2025(security@zyxel.com.tw)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.