🛡️ CVE-2026-3557
🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-122 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Philips Hue Bridge hap_pair_verify_handler Sub-TLV Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the hap_pair_verify_handler function of the hk_hap service, which listens on TCP port 8080 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28337.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-122
Public Exploit ✅ No
Source NVD
Published 2026-03-16
Updated 2026-06-02
Modified 2026-04-27
Fix URL N/A

Affected Packages

Software From version Fixed in
hue-bridge-v2-firmware — 1975170000

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