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Advisories

Cudy TR3000 before 2.5.42 SMT Message Forgery via Probe Request Vendor IE

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Severity
medium
Date
Affecting

  • TR3000 1.0 >= 0, < 2.5.42

CWE
  • CWE-345 Insufficient Verification of Data Authenticity
CVSS
6.1
CVSS V4 Vector
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Description
Cudy TR3000 before 2.5.42 contains an insufficient verification of data authenticity vulnerability in the mt_wifi Smart Mesh Technology (SMT) onboarding, which protects messages only with an AES-CBC key derived from public values and a CRC32 check. Adjacent unauthenticated attackers can forge SMT messages in Probe Request vendor IEs carrying an attacker-chosen SSID and pre-shared key, forcing unpaired devices to join attacker-controlled access points.

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