CVE-2026-8374 SwitchBot Door Lock Series - Authentication Bypass

SwitchBot Door Lock Series contains an authentication bypass caused by misuse and misconfiguration in Bluetooth communication, letting attackers bypass electronic lock and access controls via manipulated protocol, exploit requires proximity to the device.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.09% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:N/R:I/V:D/RE:H/U:Red
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-1204

Vendor fix

Update to the latest firmware version with improved Bluetooth communication security.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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