ZDI-26-424: Synology DiskStation DS925+ MailPlus Improper Restriction of Communication Channel to Intended Endpoints Vulnerability
This vulnerability allows network-adjacent attackers to access the Redis instance on affected installations of Synology DiskStation DS925+ devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.3. The following CVEs are assigned: CVE-2026-13135.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-424?
The severity of ZDI-26-424 is rated as 4.3 on the CVSS scale.
How do I fix ZDI-26-424?
To fix ZDI-26-424, ensure that your Synology DiskStation DS925+ is updated to the latest firmware version provided by Synology.
Who is affected by ZDI-26-424?
Any user running the Synology DiskStation DS925+ with the vulnerable Redis instance configuration is affected by ZDI-26-424.
What type of vulnerability is ZDI-26-424?
ZDI-26-424 is classified as an improper restriction of communication channel to intended endpoints vulnerability.
Can ZDI-26-424 be exploited remotely?
Yes, ZDI-26-424 can be exploited by network-adjacent attackers without requiring authentication.