CVE-2025-0890: Critical severity Zyxel VMG4325-B10A vulnerability

Published Feb 4, 2025
·
Updated

UNSUPPORTED WHEN ASSIGNED Insecure default credentials for the Telnet function in the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C020170615 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.

Affected Software

29 affected components
Zyxel VMG4325-B10A
All of the following
Zyxel VMG4325-B10A firmware
Zyxel VMG4325-B10A
All of the following
Zyxel Sbg3500-n000 Firmware
Zyxel SBG3500-N000
All of the following
Zyxel Vmg1312-b10a Firmware
Zyxel VMG1312-B10A
All of the following
Zyxel Vmg1312-b10b Firmware
Zyxel Vmg1312-b10b
All of the following
Zyxel Vmg1312-b10e Firmware
Zyxel Vmg1312-b10e
All of the following
Zyxel Vmg3312-b10a Firmware
Zyxel Vmg3312-b10a
All of the following
Zyxel Vmg3313-b10a Firmware
Zyxel Vmg3313-b10a
All of the following
Zyxel Vmg3926-b10b Firmware
Zyxel Vmg3926-b10b
All of the following
Zyxel Vmg4380-b10a Firmware
Zyxel VMG4380-B10A
All of the following
Zyxel Vmg8324-b10a Firmware
Zyxel VMG8324-B10A
All of the following
Zyxel Vmg8924-b10a Firmware
Zyxel VMG8924-B10A
All of the following
Zyxel Sbg3300-n000 Firmware
Zyxel SBG3300-N000
All of the following
Zyxel Sbg3300-nb00 Firmware
Zyxel SBG3300-NB00
All of the following
Zyxel Sbg3500-nb00 Firmware
Zyxel Sbg3500-nb00

Event History

Feb 4, 2025
CVE Published
via MITRE·10:06 AM
Data Sourced
via MITRE·10:06 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-0890?

CVE-2025-0890 has a high severity rating due to the use of insecure default credentials.

2

How do I fix CVE-2025-0890?

To fix CVE-2025-0890, change the default Telnet credentials immediately after setup.

3

Which devices are affected by CVE-2025-0890?

CVE-2025-0890 specifically affects the Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615.

4

What risks are associated with CVE-2025-0890?

CVE-2025-0890 can allow unauthorized remote access to the router's management interface, potentially compromising the device.

5

Is CVE-2025-0890 a zero-day vulnerability?

CVE-2025-0890 is considered a known vulnerability and not a zero-day, as it has been assigned and reported.

Contact

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