High 8.3Published Nov 19, 2025

CVE-2025-11243Allocation of Resources Without Limits or Throttling in Shelly Pro 4PM

Updated under an hour ago (Oct 26, 2026, 10:30 PM ET)

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It affects Shelly Pro 4PM. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Shelly Pro 4PM

Exploited in the last 30 days

Allocation of Resources Without Limits or Throttling vulnerability in Shelly Pro 4PM (before v1.6) allows Excessive Allocation via network.

CVSS: 8.3 HIGH (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Nozomi
NVD analysis: Deferred
Record last updated: Nov 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Shelly Pro 4PM shelly:pro_4pm (from the name)	before 1.6	CNA record

References

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11243	third-party-advisory
https://www.nozominetworks.com/blog/shelly-pro-4pm-vulnerabilities	media-coverage, technical-description
https://www.cisa.gov/news-events/ics-advisories/icsa-25-322-02	government-resource, technical-description

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.