SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

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…

CRITICAL 9.8EPSS 13.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 13.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
13.54% probability · 96th percentile
CISA KEV
Not listed
Weakness
CWE-287, CWE-522
Affected
zyxel/vmg4325-b10a firmware · zyxel/sbg3500-n000 firmware · zyxel/vmg1312-b10a firmware · zyxel/vmg1312-b10b firmware · zyxel/vmg1312-b10e firmware · zyxel/vmg3312-b10a firmware · zyxel/vmg3313-b10a firmware · zyxel/vmg3926-b10b firmware · zyxel/vmg4380-b10a firmware · zyxel/vmg8324-b10a firmware · zyxel/vmg8924-b10a firmware · zyxel/sbg3300-n000 firmware · zyxel/sbg3300-nb00 firmware · zyxel/sbg3500-nb00 firmware
Source
security@zyxel.com.tw

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.