CVE-2025-11243 Allocation of Resources Without Limits or Throttling in Shelly Pro 4PM
Attackers can cause denial of service on Shelly Pro 4PM devices by triggering excessive resource allocation via the network.
- 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-2025-11243?
CVE-2025-11243 is a high-severity denial of service vulnerability in Shelly Pro 4PM, published on 19 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Allocation of Resources Without Limits or Throttling vulnerability in Shelly Pro 4PM (before v1.6) allows Excessive Allocation via network.
Weakness: CWE-770
Which versions are affected by CVE-2025-11243?
How do I fix CVE-2025-11243?
No fix has been published for CVE-2025-11243 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-2025-11243 being exploited?
There is no known exploitation of CVE-2025-11243 in the wild and no public exploit code.
Sources
Also known as GHSA-8vv4-79fv-vwc4.