CVE-2025-62775

HIGHNVD 8.08.0—Elevated

8.0

Mercku M6a devices through 2.1.0 allow root TELNET logins via the web admin password.

CVSS v3: 8.0
EG Score: 8.0(medium)
EPSS: 8.1%
KEV: Not listed

Published

October 22, 2025

Last Modified

April 15, 2026

References (2)

cve@mitrehttps://blog.nullvoid.me/posts/mercku-exploits/
cve@mitrehttps://seclists.org/fulldisclosure/2025/Oct/10

Weakness Classification(1)

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

CWE-669Incorrect Resource Transfer Between Spheres

Data Freshness Timeline

(refreshed 12× 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.

2026-06-02 20:13 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
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2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:44 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2025-62775?

CVE-2025-62775 is a high vulnerability published on October 22, 2025. Mercku M6a devices through 2.1.0 allow root TELNET logins via the web admin password.

When was CVE-2025-62775 disclosed?

CVE-2025-62775 was first published in the National Vulnerability Database on October 22, 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-2025-62775 actively exploited?

CVE-2025-62775 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-62775?

CVE-2025-62775 has a CVSS v3 base score of 8.0 (NVD).

How do I remediate CVE-2025-62775?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-62775, 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

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CVE-2025-62775

📅 Published

🔄 Last Modified

🔗 References (2)