CVE-2025-0890

**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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ZyxelCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
zyxelvmg4325-b10a_firmware
-
zyxelsbg3500-n000_firmware
-
zyxelvmg1312-b10a_firmware
-
zyxelvmg1312-b10b_firmware
-
zyxelvmg1312-b10e_firmware
-
zyxelvmg3312-b10a_firmware
-
zyxelvmg3313-b10a_firmware
-
zyxelvmg3926-b10b_firmware
-
zyxelvmg4325-b10a_firmware
-
zyxelvmg4380-b10a_firmware
-
zyxelvmg8324-b10a_firmware
-
zyxelvmg8924-b10a_firmware
-
zyxelsbg3300-n000_firmware
-
zyxelsbg3300-nb00_firmware
-
zyxelsbg3500-nb00_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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