CVE-2025-53558

HIGHNVD 8.88.8—Elevated

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 95.6%
KEV: Not listed

Published

July 31, 2025

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 21, 2026

No patch confirmed yet.

generic

JVN#66546573: ZXHN-F660T and ZXHN-F660A use a common credential for all installations

https://jvn.jp/en/jp/JVN66546573/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1391

Data Freshness Timeline

(refreshed 19× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 16:57 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2025/CVE-2025-53558.yaml
First seen Jan 1, 2025
ZTE ZXHN-F660T/F660A - Default Credentials
Open source ↗

Frequently asked(5)

What is CVE-2025-53558?

CVE-2025-53558 is a high vulnerability published on July 31, 2025. 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.

When was CVE-2025-53558 disclosed?

CVE-2025-53558 was first published in the National Vulnerability Database on July 31, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-53558 actively exploited?

CVE-2025-53558 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-53558?

CVE-2025-53558 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2025-53558?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-53558, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-53558

Explore →

Is Your Infrastructure Affected by CVE-2025-53558?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2025-53558

📅 Published

🔄 Last Modified

📋 Advisory Details (1)