CVE-2024-45539 Memory corruption in DiskStation Manager (DSM)
Remote attackers can cause denial of service in Synology DSM and DSMUC via an out-of-bounds write in CGI components.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-45539?
CVE-2024-45539 is a high-severity memory corruption vulnerability in Synology Diskstation Manager, published on 4 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Out-of-bounds write vulnerability in cgi components in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to conduct denial-of-service attacks via unspecified vectors.
Weakness: CWE-787
Which versions are affected by CVE-2024-45539?
It affects 2 products.
Products include Synology Diskstation Manager, Synology Diskstation Manager Unified Controller.
How do I fix CVE-2024-45539?
No fix has been published for CVE-2024-45539 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-45539 being exploited?
There is no known exploitation of CVE-2024-45539 in the wild and no public exploit code.
Other vulnerabilities in Synology Diskstation Manager
Sources
Also known as GHSA-h2q6-xwhq-3g2x.