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CVE-2026-76784 Insufficient Cryptographic Protections in Local Device Communication Protocol on Multiple TP-Link Kasa Smart Home Devices

🗓️ 26 Aug 2026 17:47:54Reported by TPLinkType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Insufficient crypto in TP-Link Kasa local protocol allows message forgery and device control.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-76784
26 Aug 202617:47
cve
euvd
EUVD
EUVD-2026-66641
26 Aug 202617:47
euvd
nvd
NVD
CVE-2026-76784
26 Aug 202618:17
nvd
ptsecurity
Positive Technologies
PT-2026-82235
26 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-76784 Insufficient Cryptographic Protections in Local Device Communication Protocol on Multiple TP-Link Kasa Smart Home Devices
26 Aug 202617:47
vulnrichment
[
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "HS103P3 / HS103P4 v5",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.3 Build 250908 Rel.112508",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "EP10",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 250908 Rel.112508",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "EP25 V2",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.0.3 Build 240529 Rel.145252",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "HS300 V2",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.2 Build 241220 Rel.171333",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KP303 V2",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.2 Build 241220 Rel.173321",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "EP40A",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 250908 Rel.112526",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KP125MP2 / KP125MP4",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.2.5 Build 241213 Rel.172504",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KP115",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 250908 Rel.112945",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KS225",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 240626 Rel.175125",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "EP40M",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.0 Build 240415 Rel.171219",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KS205",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 240724 Rel.105920",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KS240",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.0.6 Build 240122 Rel.160100",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "ES20M",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.6 Build 250522 Rel.210254",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KS220M",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.6 Build 250522 Rel.210254",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KP200 V3",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.0 Build 250225 Rel.171724",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "HS200 V5.26",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.0.3 Build 240723 Rel.192622",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "HS220-LA(US) 6.6 / HS220-BL(US) 6.6",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.0.3 Build 240723 Rel.192630",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "HS220 V3.26",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 240802 Rel.094131",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "HS220-LA(US) 4.6 / HS220-BL(US) 4.6",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 240802 Rel.094142",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "TP-Link Systems Inc.",
    "product": "KL125",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.1 Build 260710 Rel.082646",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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