CVE-2025-63729

CRITICALNVD 9.09.0—Trending — 3 sources updated this weekElevated

9.0

An issue was discovered in Syrotech SY-GPON-1110-WDONT SYRO_3.7L_3.1.02-240517 allowing attackers to exctract the SSL Private Key, CA Certificate, SSL Certificate, and Client Certificates in .pem format in firmware in etc folder.

CVSS v3: 9.0
EG Score: 9.0(medium)
EPSS: 1.0%
KEV: Not listed

Published

November 25, 2025

Last Modified

December 30, 2025

References (1)

cve@mitrehttps://github.com/Yashodhanvivek/CVE-2025-63729-Syrotech-SY-GPON-1110-/blob/main/Syrotech_SY-GPON-1110-WDONT_Security_Assessment.pdf

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 13× 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.

2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
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
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 18:53 UTCEG score recompute
2026-05-29 18:53 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-63729?

CVE-2025-63729 is a critical vulnerability published on November 25, 2025. An issue was discovered in Syrotech SY-GPON-1110-WDONT SYRO3.7L3.1.02-240517 allowing attackers to exctract the SSL Private Key, CA Certificate, SSL Certificate, and Client Certificates in .pem format in firmware in etc folder.

When was CVE-2025-63729 disclosed?

CVE-2025-63729 was first published in the National Vulnerability Database on November 25, 2025, with the most recent update on December 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-63729 actively exploited?

CVE-2025-63729 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-63729?

CVE-2025-63729 has a CVSS v3 base score of 9.0 (NVD).

How do I remediate CVE-2025-63729?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-63729, 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-2025-63729

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(3)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-63729?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)