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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-76784

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

Description

Multiple TP-Link Kasa smart home devices contain insufficient cryptographic protections in the local device communication protocol. An adjacent network attacker may intercept, replay or forge locally exchanged control messages, potentially resulting in unauthorized device control. Successful exploitation could allow an attacker to manipulate the operational state of an affected device, resulting in unauthorized state changes, disruption of normal device functionality or a denial-of-service condition.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

TP-Link Systems Inc. HS103P3 / HS103P4 v5

Default version status: unaffected

  • 0 to < 1.1.3 Build 250908 Rel.112508affected

TP-Link Systems Inc. EP10

Default version status: unaffected

  • 0 to < 1.1.1 Build 250908 Rel.112508affected

TP-Link Systems Inc. EP25 V2

Default version status: unaffected

  • 0 to < 1.0.3 Build 240529 Rel.145252affected

TP-Link Systems Inc. HS300 V2

Default version status: unaffected

  • 0 to < 1.1.2 Build 241220 Rel.171333affected

TP-Link Systems Inc. KP303 V2

Default version status: unaffected

  • 0 to < 1.1.2 Build 241220 Rel.173321affected

TP-Link Systems Inc. EP40A

Default version status: unaffected

  • 0 to < 1.1.1 Build 250908 Rel.112526affected

TP-Link Systems Inc. KP125MP2 / KP125MP4

Default version status: unaffected

  • 0 to < 1.2.5 Build 241213 Rel.172504affected

TP-Link Systems Inc. KP115

Default version status: unaffected

  • 0 to < 1.1.1 Build 250908 Rel.112945affected

TP-Link Systems Inc. KS225

Default version status: unaffected

  • 0 to < 1.1.1 Build 240626 Rel.175125affected

TP-Link Systems Inc. EP40M

Default version status: unaffected

  • 0 to < 1.1.0 Build 240415 Rel.171219affected

TP-Link Systems Inc. KS205

Default version status: unaffected

  • 0 to < 1.1.1 Build 240724 Rel.105920affected

TP-Link Systems Inc. KS240

Default version status: unaffected

  • 0 to < 1.0.6 Build 240122 Rel.160100affected

TP-Link Systems Inc. ES20M

Default version status: unaffected

  • 0 to < 1.1.6 Build 250522 Rel.210254affected

TP-Link Systems Inc. KS220M

Default version status: unaffected

  • 0 to < 1.1.6 Build 250522 Rel.210254affected

TP-Link Systems Inc. KP200 V3

Default version status: unaffected

  • 0 to < 1.1.0 Build 250225 Rel.171724affected

TP-Link Systems Inc. HS200 V5.26

Default version status: unaffected

  • 0 to < 1.0.3 Build 240723 Rel.192622affected

TP-Link Systems Inc. HS220-LA(US) 6.6 / HS220-BL(US) 6.6

Default version status: unaffected

  • 0 to < 1.0.3 Build 240723 Rel.192630affected

TP-Link Systems Inc. HS220 V3.26

Default version status: unaffected

  • 0 to < 1.1.1 Build 240802 Rel.094131affected

TP-Link Systems Inc. HS220-LA(US) 4.6 / HS220-BL(US) 4.6

Default version status: unaffected

  • 0 to < 1.1.1 Build 240802 Rel.094142affected

TP-Link Systems Inc. KL125

Default version status: unaffected

  • 0 to < 1.1.1 Build 260710 Rel.082646affected

References