PT-2025-48992 · Synology · Synology Diskstation Ds925+

Published 2025-12-03 · Updated 2026-05-27 · CVE-2025-13392

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Synology DiskStation DS925+ (affected versions not specified)

Description An authentication bypass issue exists in the samlAuth component of Synology DiskStation DS925+. This allows an attacker to bypass authentication. The issue was discovered during the Pwn2Own competition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Check for Exceptional Conditions

Weakness Enumeration

CWE-754

Related Identifiers

CVE-2025-13392

ZDI-25-1040

Affected Products

Synology Diskstation Ds925+

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-13392 · Security Note
• https://synology.com/en-global/security/advisory/Synology_SA_25_14 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-25-1040 · Security Note
• https://twitter.com/TheZDIBugs/status/1996319555023450600 · Twitter Post