CVE-2025-10363 Unauthenticated RCE via .NET Deserialization in Topal Finance Software
Unauthenticated attackers can execute arbitrary code via unsafe .NET deserialization in Topal Finanzbuchhaltung, requiring an upgrade to the latest version.
- 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-2025-10363?
CVE-2025-10363 is a critical unsafe deserialization vulnerability in Topal Finanzbuchhaltung, published on 6 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in Topal Solutions AG Topal Finanzbuchhaltung on Windows allows Remote Code Execution.This issue affects at least Topal Finanzbuchhaltung: 10.1.5.20 and is fixed in version 11.2.12.00
Weakness: CWE-502
Which versions are affected by CVE-2025-10363?
How do I fix CVE-2025-10363?
No fix has been published for CVE-2025-10363 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-10363 being exploited?
There is no known exploitation of CVE-2025-10363 in the wild and no public exploit code.
Sources
Also known as GHSA-whm7-g778-6q8v.