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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.4%, higher than 97% 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
- 14.38% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- 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
EPSS 14.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.