Vulnerability record · CVE-2025-4321 · published 17 November 2025

CVE-2025-4321: In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed …

In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation

7.1 CVSS 4.0 High EPSS 0.18% · top 93.7% CWE-240 · CWE-240CWE-617 · CWE-617 Deferred

7.1CVSS 4.0 base score

0.18%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

1References

17 Jun 2026Last modified by NVD

Description

In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation

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

Link	Tags
https://community.silabs.com/068Vm00000YV9DL

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Source: NIST National Vulnerability Database (record CVE-2025-4321), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.