Is CVE-2025-63729 actively exploited?

No active exploitation of CVE-2025-63729 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-63729 be exploited remotely?

No. CVE-2025-63729 requires local access to exploit.

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

CVE-2025-63729 has a CVSS score of 9.0 (CRITICAL).

HOME VULNERABILITIESCVE-2025-63729

CRITICAL

CVE-2025-63729

CWE-200Published: November 25, 2025· Updated: Jun 17, 2026

9.0

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

This critical vulnerability in Syrotech SY-GPON-1110-WDONT SYRO_3.7L_3.1.02-240517 allows attackers to extract sensitive SSL certificates and private keys. With a CVSS score of 9.0, this flaw poses a significant risk of compromising secure communications and potentially enabling further attacks. The absence of an EPSS score means its exploitation likelihood is currently unknown, but the high severity warrants attention.

No public exploit is currently known for this vulnerability. While the attack vector is local (AV:L), the low attack complexity (AC:L) and lack of required privileges (PR:N) mean an attacker with local access could easily exploit this flaw.

Recommended Action

Administrators should update the firmware of Syrotech SY-GPON-1110-WDONT to a patched version when available. Until then, ensure physical security of the device and restrict local access to authorized personnel.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2025-63729 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.