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Vulnerabilities

Security incident · CVE-2025-8627

The TP-Link KP303 Smartplug can be issued unauthenticated protocol commands that may cause unintended power-off condition and potential information leak.

Published Aug 25, 2025 · catalog updated Aug 26, 2025 · TP-Link Systems Inc. TP-Link KP303 (US) Smartplug

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-8627. EPSS is 0.32%. Act only if a listed version of TP-Link Systems Inc. TP-Link KP303 (US) Smartplug is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Version ranges on file
Affected products
vendor TP-Link Systems Inc. TP-Link KP303 (US) Smartplug 0 <1.1.0

The TP-Link KP303 Smartplug can be issued unauthenticated protocol commands that may cause unintended power-off condition and potential information leak. This issue affects TP-Link KP303 (US) Smartplug: before 1.1.0.

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 TP-Link Systems Inc. TP-Link KP303 (US) Smartplug 0 <1.1.00 <1.1.0

How to fix CVE-2025-8627

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-2025-8627. EPSS is 0.32%. Act only if a listed version of TP-Link Systems Inc. TP-Link KP303 (US) Smartplug is installed.

Which versions are affected?

Compare what you have installed with TP-Link Systems Inc. TP-Link KP303 (US) Smartplug 0 <1.1.0 0 <1.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.32%. 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. Aug 25, 2025 · EUVD

    Detected

    The TP-Link KP303 Smartplug can be issued unauthenticated protocol commands that may cause unintended power-off condition and potential information leak. This issue affects TP-Link KP303 (US) Smartplug: before 1.1.0.

  2. Aug 26, 2025 · EUVD

    Updated

    The TP-Link KP303 Smartplug can be issued unauthenticated protocol commands that may cause unintended power-off condition and potential information leak. This issue affects TP-Link KP303 (US) Smartplug: before 1.1.0.

Sources

  • CVE.orgVulnerability recordCVE-2025-8627

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-8627

    30-day exploitation probability 0.32%

    first.org
  • EUVDVulnerability recordEUVD-2025-28803

    The TP-Link KP303 Smartplug can be issued unauthenticated protocol commands that may cause unintended power-off condition and potential information leak. This issue affects TP-Link KP303 (US) Smartplug: before 1.1.0.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026