CVE-2025-63729 | BDVDB-2026-303103 Detail

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: local.

Weaknesses#

CWE-532 Insertion of Sensitive Information into Log File
CWE-312 Cleartext Storage of Sensitive Information
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References#

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

Exploit#

No public exploit known

History#

Version 12025-11-25Record published in the CVE List.

Published

Published: 2025-11-25
Last modified: 2025-11-25

Vendor information

Vendor: Not stated
Product: Not stated

Score

9.0 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Information Disclosure

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.0 Critical

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).