CVE-2023-7006Public exploit

Physical unlocking via unlimited challenge-response guesses

Published Mar 15, 2024 · Updated Nov 4, 2025

Improper challenge retry limits in Hangzhou Sciener Kontrol Lux 6.4.5 allow physically proximate attackers to recover the unlockKey. During an active Bluetooth session, the firmware retains one 16-bit challenge after a wrong response and accepts unlimited further guesses. Bluetooth proximity and a captured encrypted authorization exchange are required; exhaustive guessing then recovers the key and opens the physical lock.

CVSS severity9.1
Critical
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper challenge retry limits in Hangzhou Sciener Kontrol Lux 6.4.5 allow physically proximate attackers to recover the unlockKey. During an active Bluetooth session, the firmware retains one 16-bit challenge after a wrong response and accepts unlimited further guesses. Bluetooth proximity and a captured encrypted authorization exchange are required; exhaustive guessing then recovers the key and opens the physical lock.

The record

CVE
CVE-2023-7006
Published
Mar 15, 2024
Updated
Nov 4, 2025
Vendor
Hangzhou Sciener Smart Technology Co., Ltd.
Product
Kontrol Lux Firmware
Classifications
CWE-307, CWE-799, T1110
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.4.5

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Hangzhou Sciener Smart Technology Co., Ltd. · Kontrol Lux Firmwareversion=6.4.5
Hangzhou Sciener Smart Technology Co., Ltd. · Kontrol Lux Lockversion=6.4.5 <=6.4.5

Published CVSS scores

9.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-307Improper Restriction of Excessive Authentication Attempts
CWE-799Improper Control of Interaction Frequency
T1110Brute Force

Public exploit references

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Technologies

Your stack

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Your stack

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