Cross-Site Scripting Vulnerability in Safe Access from Synology
CVE-2025-10466

5.9MEDIUM

Key Information:

Vendor

Synology
Status
Safe Access
Vendor
CVE Published:
27 May 2026

What is CVE-2025-10466?

A Cross-Site Scripting (XSS) vulnerability exists in Synology Safe Access prior to version 1.3.1-0329. This flaw allows remote authenticated users with administrator privileges to perform unauthorized actions, such as reading or writing to specific files that contain non-sensitive information. Additionally, it may enable limited denial-of-service conditions within the Synology Router Manager (SRM), posing security risks to affected systems.

Affected Version(s)

Safe Access *

References

https://www.synology.com/en-global/security/advisory/Syno...
vendor-advisory

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Only Hack in Cave (tr4ce(Jinho Ju), neko_hat(Dohwan Kim), tw0n3(Han Lee), Hc0wl(GangMin Kim)) (https://github.com/Team-OHiC)
.