CVE-2025-3496 AUMA Riester: Buffer overflow in service telegram
Unauthenticated remote attackers can cause a buffer overflow via Bluetooth or RS-232, leading to denial of service on Auma Riester actuators.
- 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-2025-3496?
CVE-2025-3496 is a high-severity memory corruption vulnerability in Auma Riester AC1.2, published on 12 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker can cause a buffer overflow which could lead to unexpected behaviour or DoS via Bluetooth or RS-232 interface.
Weakness: CWE-120
Which versions are affected by CVE-2025-3496?
How do I fix CVE-2025-3496?
No fix has been published for CVE-2025-3496 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-2025-3496 being exploited?
There is no known exploitation of CVE-2025-3496 in the wild and no public exploit code.
Sources
Also known as GHSA-r9hp-6qhp-67mw.