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CVE-2026-8374— Misuse and Misconfiguration of Cryptographic Algorithm in Bluetooth Communication

Quick assessment

Affected
SwitchBot Lock Series Lock
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SwitchBot 门锁系列中蓝牙通信存在误用和配置不当问题，攻击者可通过操纵通信协议绕过电子锁，并访问控制功能。

CVSS 8.5 · High EPSS 0.09% · P0

Affected Version Matrix 3

VendorProduct Version RangeStatus
SwitchBot Lock Series App ≤ 9.2.6 affected
SwitchBot Lock Series Keypad ≤ 2.7 affected
SwitchBot Lock Series Lock ≤ 3.4 affected
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I. Basic Information for CVE-2026-8374

Vulnerability Information
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Vulnerability Title
Misuse and Misconfiguration of Cryptographic Algorithm in Bluetooth Communication
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1204
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SwitchBot Lock Series Lock 0 ~ 3.4 -
SwitchBot Lock Series Keypad 0 ~ 2.7 -
SwitchBot Lock Series App 0 ~ 9.2.6 -

II. Public POCs for CVE-2026-8374

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-8374

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Vendor Advisories for CVE-2026-8374 (1)

Security Blog Posts for CVE-2026-8374 (1)

IV. Related Vulnerabilities

Same vendor: SwitchBot
Same weakness: CWE-1204

V. Comments for CVE-2026-8374

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