CVE-2026-49322

Indian Scout Bobber 2025 Infotainment-to-WCM weak authentication allows recovery of user PIN from observed exchange

State
Published
Severity
4.1 Medium
Published
May 29, 2026
Updated
Jun 27, 2026
Reserved
May 29, 2026

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Description

Weak authentication in the Wireless Control Module (WCM) of the Indian Motorcycle Scout Bobber + Tech 2025 model year allows an adjacent-network attacker with read access to the in-vehicle network to recover the user-set unlock PIN by passively observing a single PIN authentication exchange. The Infotainment Digital Round display computes its response using a non-cryptographic operation rather than a cryptographic challenge-response, so the PIN is mathematically derivable from one captured exchange, defeating the motorcycle's primary user-authentication control. Specific protocol details have been withheld pending vendor remediation.

Scores

CVSSScoreVectorSource
4.04.1 MediumCVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NASRG
3.14.3 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NASRG

Weaknesses

  • CWE-1390 Weak Authentication
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm
  • CWE-294 Authentication Bypass by Capture-Replay

Affected Products

ProductVersions
Scout Bobber + TechIndian Motorcycle
  • 2025Affected

References

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