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

CVE-2025-63729 has a CVSS 3.1 base score of 9.0 (Critical). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Sy Gpon 1110 Wdont Firmware are affected by CVE-2025-63729?

CVE-2025-63729 presents critical security risk, a information exposure vulnerability rated CVSS 9.0.

Is there a public PoC exploit available for CVE-2025-63729?

Yes, a public proof-of-concept exploit is available for CVE-2025-63729. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-63729?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Sy Gpon 1110 Wdont Firmware CVE-2025-63729

CRITICAL

Information Exposure (CWE-200)

2025-11-25 cve@mitre.org

Information Disclosure Sy Gpon 1110 Wdont Firmware Syrotech

9.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.0 CRITICAL

AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

PoC Detected

Dec 30, 2025 - 17:17 vuln.today

Public exploit code

CVE Published

Nov 25, 2025 - 17:15 nvd

CRITICAL 9.0

DescriptionCVE.org

AnalysisAI

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. Rated critical severity (CVSS 9.0), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. 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. Affected products include: Syrotech Sy-Gpon-1110-Wdont Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.