Zigbee Router Denial of Service_CVE-2025-7964

9.2 / 10

CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Description

After receiving a

malformed 802.15.4 MAC Data Request

the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will be unable to rejoin. A manual recommissioning is required to recover the Zigbee Router.

Basic Information

ID CVE-2025-7964

Source Silabs

Published Jan 30, 2026 at 15:02

Modified Jan 30, 2026 at 15:36

Affected Product

Vendor silabs.com

Product Silicon Labs Zigbee Stack

Affected Versions silabs.com Silicon Labs Zigbee Stack 0
silabs.com Silicon Labs Zigbee Stack 0

CWE Classification

CWE-229

References

community.silabs.com /068Vm00000dspiL

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    "published": "2026-01-30T15:02:53.825Z",
    "modified": "2026-01-30T15:36:46.637Z",
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