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CVE-2026-8374: CWE-1204 Generation of weak initialization vector (IV) in SwitchBot Lock Series Lock

0
High
VulnerabilityCVE-2026-8374cvecve-2026-8374cwe-1204cwe-1240
Published: 10/09/2026 (10/09/2026, 12:09:07 UTC)
Source: CVE Database V5
Vendor/Project: SwitchBot
Product: Lock Series Lock

Description

Misuse and misconfiguration in Bluetooth communication in SwitchBot Door Lock Series allows an attacker to bypass the electronic lock and access controls via a manipulated communication protocol.

CVSS v4.0

Score 8.5high

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
Low
Subsq. Integrity
High
Subsq. Availability
High
Scope
P
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/S:P/AU:N/R:I/V:D/RE:H/U:Red

Affected software

SwitchBot

Lock Series Lock

Affected versions
>=0 <=3.4

SwitchBot

Lock Series Keypad

Affected versions
>=0 <=2.7

SwitchBot

Lock Series App

Affected versions
>=0 <=9.2.6

Technical Details

Data Version
5.2
Assigner Short Name
cirosec
Date Reserved
2026-05-12T07:14:40.536Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ac8dbc12cdf04f6565383ca

Added to database: 10/09/2026, 12:19:13 UTC

Last updated: 10/09/2026, 12:19:13 UTC

Views: 1

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