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Vulnerabilities

Vulnerability · CVE-2025-11566

CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by perf

Published Nov 12, 2025 · catalog updated Oct 18, 2026 · Schneider Electric PowerChute™ Serial Shutdown

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-11566. EPSS is 0.45%. Act only if a listed version of Schneider Electric PowerChute™ Serial Shutdown is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.45%
Remediation
Advisory link
Affected products
vendor Schneider Electric PowerChute™ Serial Shutdown Versions v1.3 and prior

CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdownnow endpoint.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Schneider Electric PowerChute™ Serial Shutdown Versions v1.3 and priorVersions v1.3 and prior

How to fix CVE-2025-11566

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-11566. EPSS is 0.45%. Act only if a listed version of Schneider Electric PowerChute™ Serial Shutdown is installed.

Which versions are affected?

Compare what you have installed with Schneider Electric PowerChute™ Serial Shutdown Versions v1.3 and prior Versions v1.3 and prior. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-307: Improper Restriction of Excessive Authentication Attempts. EPSS 0.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 12, 2025 · NIST NVD

    Detected

    CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdownnow endpoint.

  2. Oct 18, 2026 · NIST NVD

    Updated

    CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdownnow endpoint.

Sources

  • CVE.orgVulnerability recordCVE-2025-11566

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-11566

    30-day exploitation probability 0.45%

    first.org
  • EUVDVulnerability recordEUVD-2025-131907

    CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdo

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-11566

    CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdo

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 25, 2026
  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 21, 2026
  • NIST NVDOct 18, 2026