Quick answers
- Is CVE-2026-13673 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-13673 being exploited in the wild.
- How severe is CVE-2026-13673?
- High severity, with a CVSS score of 8.8, published 18 September 2026.
- Which products and versions are affected?
- Synology DiskStation Manager (DSM) 7.2.1 before 69057-12, 7.2.2 before 72806-9, 7.3.2 before 86009-4, 7.4 before 90075.
- Is there a fix for CVE-2026-13673?
- A patch was published on 2026-09-18: Synology released security updates for DSM 7.2.1, 7.2.2, 7.3.2, and 7.4 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-13673 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-13673?
- Check whether you run Synology DiskStation Manager (DSM) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
CVE-2026-13673 is an incorrect permission assignment vulnerability (CWE-732) in the LDAP API component of Synology DSM. The flaw allows remote authenticated users to bypass access controls and read or write arbitrary files on the system, as well as conduct denial-of-service attacks. The vulnerability is network-reachable and requires valid login credentials, but no additional user interaction. Affected versions include DSM 7.2.1 before 69057-12, 7.2.2 before 72806-9, 7.3.2 before 86009-4, and 7.4 before 90075. Patches are available for all affected branches.
Affected products
- Synology DiskStation Manager (DSM) 7.2.1 before 69057-12, 7.2.2 before 72806-9, 7.3.2 before 86009-4, 7.4 before 90075
Timeline
- 2026-09-18: disclosed: CVE-2026-13673 published; patches available
- 2026-09-18: patched: Synology released security updates for DSM 7.2.1, 7.2.2, 7.3.2, and 7.4