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CVE-2026-49316— Indian Scout Bobber 2025 WCM CAN bus-off attack silently bypasses anti-theft shutdown

CVSS 4.6 · Medium

Affected Version Matrix 1

VendorProductVersion RangeStatus
Indian Motorcycle (Polaris Inc.)Scout Bobber + Tech2025affected
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I. Basic Information for CVE-2026-49316

Vulnerability Information
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Vulnerability Title
Indian Scout Bobber 2025 WCM CAN bus-off attack silently bypasses anti-theft shutdown
Source: NVD (National Vulnerability Database)
Vulnerability Description
Expected behavior violation in the in-vehicle network of the Indian Motorcycle Scout Bobber + Tech 2025 model year allows an adjacent-network attacker to bypass the motorcycle's anti-theft shutdown by forcing the Wireless Control Module (WCM) into the CAN bus-off state. Using a well-known CAN error-frame injection technique against a periodic WCM transmission, the attacker drives the WCM CAN controller's transmit error counter past the bus-off threshold, after which the WCM stops transmitting all messages, including the shutdown command. Peer ECUs do not interpret WCM silence as a security event and continue normal operation, allowing the motorcycle to be operated despite the immobilizer never having been unlocked. Specific protocol details have been withheld pending vendor remediation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
预期行为违背
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Indian Motorcycle (Polaris Inc.)Scout Bobber + Tech 2025 -

II. Public POCs for CVE-2026-49316

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III. Intelligence Information for CVE-2026-49316

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Same Patch Batch · Indian Motorcycle (Polaris Inc.) · 2026-05-29 · 7 CVEs total

CVE-2026-493244.6 MEDIUMIndian Scout Bobber 2025 WCM brute-force
CVE-2026-493254.6 MEDIUMIndian Scout Bobber 2025 WCM voltage-based shutdown
CVE-2026-493224.3 MEDIUMIndian Scout Bobber 2025 Infotainment-to-WCM weak authentication allows recovery of user P
CVE-2026-493234.3 MEDIUMIndian Scout Bobber 2025 WCM-to-ECM weak authentication
CVE-2026-493172.4 LOWIndian Scout Bobber 2025 Infotainment Digital Round skips PIN entry when WCM is silent at
CVE-2026-493182.4 LOWIndian Scout Bobber 2025 Infotainment Digital Round skips PIN entry when WCM is silent at

IV. Related Vulnerabilities

Same product: Scout Bobber + Tech
Same vendor: Indian Motorcycle (Polaris Inc.)
Same weakness: CWE-440

V. Comments for CVE-2026-49316

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