Vulnerability in ZTE Japan. K.k. Zxhn-F660a

CVE-2025-53558

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-53558: held from 0.013 to 0.014.

EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-53558?
CVE-2025-53558 is a high-severity vulnerability in ZTE Japan. K.k. Zxhn-F660a, classified under CWE-1391. CVSS score: 8.8/10. Published 2025-07-31.
How severe is CVE-2025-53558?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-53558 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.