CVE-2025-0890

Name: CVE-2025-0890
Creator: NVD / NIST
Published: 2025-02-04T11:15:08.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 12.83%

Last modified Jun 17, 2026

CVE-2025-0890 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. **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.. EPSS estimates a 12.83% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

12.83%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zyxel	Vmg4325-B10a Firmware	All versions
Zyxel	Sbg3500-N000 Firmware	All versions
Zyxel	Vmg1312-B10a Firmware	All versions
Zyxel	Vmg1312-B10b Firmware	All versions
Zyxel	Vmg1312-B10e Firmware	All versions
Zyxel	Vmg3312-B10a Firmware	All versions
Zyxel	Vmg3313-B10a Firmware	All versions
Zyxel	Vmg3926-B10b Firmware	All versions
Zyxel	Vmg4380-B10a Firmware	All versions
Zyxel	Vmg8324-B10a Firmware	All versions
Zyxel	Vmg8924-B10a Firmware	All versions
Zyxel	Sbg3300-N000 Firmware	All versions
Zyxel	Sbg3300-Nb00 Firmware	All versions
Zyxel	Sbg3500-Nb00 Firmware	All versions

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-02-04-2025Vendor Advisory

Timeline

Published: Feb 4, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-0890?

How severe is CVE-2025-0890?

CVE-2025-0890 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 12.83% probability of exploitation in the next 30 days.

How do I fix CVE-2025-0890?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-0890?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST