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Vulnerability record · CVE-2025-7964 · published 30 January 2026

CVE-2025-7964: After receiving a malformed 802.15.4 MAC Data Request the Zigbee Coordinator sends a ‘network leave’ reque…

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.

9.2 CVSS 4.0 Critical EPSS 0.27% · top 83.0% CWE-229 · CWE-229 Deferred
9.2CVSS 4.0 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://community.silabs.com/068Vm00000dspiL

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Source: NIST National Vulnerability Database (record CVE-2025-7964), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.