CVE-2025-0890
UNSUPPORTED WHEN ASSIGNED Insecure default credentials for the Telnet function in the legacy DSL CPE Zyxel VMG4325-B10A firmware version...
- Published
- Feb 4, 2025
- Updated
- Feb 12, 2025
- Assigning CNA
- Zyxel
- Evidence observed
- Aug 14, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 96.4%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
**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.
Sources
- zyxel-p870hn-hardware-hackingResearch
From a bare PCB to root: hardware-hacking a ZyXEL P-870HN (BCM6368) over UART — CVE-2025-0890 + CVE-2024-40891, on my own hardware.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.