CVE-2025-63729

Name: CVE-2025-63729
Creator: NVD / NIST
Published: 2025-11-25T17:15:50.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.08%

Last modified Jun 17, 2026

CVE-2025-63729 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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.. EPSS estimates a 0.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9/10

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

EPSS Probability

0.08%

0.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Syrotech	Sy-Gpon-1110-Wdont Firmware	3.1.02-240517

References

https://github.com/Yashodhanvivek/CVE-2025-63729-Syrotech-SY-GPON-1110-/blob/main/Syrotech_SY-GPON-1110-WDONT_Security_Assessment.pdfExploit, Third Party Advisory

Timeline

Published: Nov 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-63729?

How severe is CVE-2025-63729?

CVE-2025-63729 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.08% probability of exploitation in the next 30 days.

How do I fix CVE-2025-63729?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-63729?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST