What’s Vulnerable › Vulnerabilities

CVE-2022-32504

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-14 · updated 2026-06-17
• Weakness: CWE-120

Description

An issue was discovered on certain Nuki Home Solutions devices. The code used to parse the JSON objects received from the WebSocket service provided by the device leads to a stack buffer overflow. An attacker would be able to exploit this to gain arbitrary code execution on a KeyTurner device. This affects Nuki Smart Lock 3.0 before 3.3.5 and 2.0 before 2.12.4, as well as Nuki Bridge v1 before 1.22.0 and v2 before 2.13.2.

Affected products

• Nuki Bridge V1: from 1.22.0* before 1.22.0; from 2.13.2* before 2.13.2 — fixed in 1.22.0, 2.13.2
• Nuki Smart Lock: from 3.0* before 3.3.5; from 2.0* before 2.12.4 — fixed in 2.12.4, 3.3.5

How to fix

Upgrade to a fixed version: Nuki Bridge V1 1.22.0, 2.13.2; Nuki Smart Lock 2.12.4, 3.3.5. Check the vendor advisory for mitigations.

References

• https://latesthackingnews.com/2022/07/28/multiple-security-flaws-found-in-nuki-smart-locks/
• https://nuki.io/en/security-updates/
• https://research.nccgroup.com/2022/07/25/technical-advisory-multiple-vulnerabilities-in-nuki-smart-locks-cve-2022-32509-cve-2022-32504-cve-2022-32502-cve-2022-32507-cve-2022-32503-cve-2022-32510-cve-2022-32506-cve-2022-32508-cve-2/
• https://www.hackread.com/nuki-smart-locks-vulnerabilities-plethora-attack-options/
• https://latesthackingnews.com/2022/07/28/multiple-security-flaws-found-in-nuki-smart-locks/
• https://nuki.io/en/security-updates/
• https://research.nccgroup.com/2022/07/25/technical-advisory-multiple-vulnerabilities-in-nuki-smart-locks-cve-2022-32509-cve-2022-32504-cve-2022-32502-cve-2022-32507-cve-2022-32503-cve-2022-32510-cve-2022-32506-cve-2022-32508-cve-2/
• https://www.hackread.com/nuki-smart-locks-vulnerabilities-plethora-attack-options/

Get alerted when CVE-2022-32504 or the next vulnerability affects your stack