CVE-2026-25571 Denial of service in SICAM SIAPP SDK
An attacker can cause a denial of service by sending oversized input to the SICAM SIAPP SDK client, triggering a stack overflow.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25571?
CVE-2026-25571 is a medium-severity denial of service vulnerability in Siemens SICAM SIAPP SDK, published on 10 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in SICAM SIAPP SDK (All versions < V2.1.7). The SICAM SIAPP SDK client component does not enforce maximum length checks on certain variables before use. This could allow an attacker to send an oversized input that could trigger a stack overflow crashing the process and potentially causing denial of service.
Weakness: CWE-130
Which versions are affected by CVE-2026-25571?
It affects 1 product.
Products include Siemens Sicam Siapp Sdk.
How do I fix CVE-2026-25571?
No fix has been published for CVE-2026-25571 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-25571 being exploited?
There is no known exploitation of CVE-2026-25571 in the wild and no public exploit code.
Other vulnerabilities in Siemens SICAM SIAPP SDK
Sources
Also known as GHSA-5j43-pp23-m43c.