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CVE-2025-4321

DoS in RS9116W-WiSeConnect L2CAP protocol due to reception of malformed packets

HIGH
7.1
CVSS Score
Published: November 17, 2025 at 02:58 PM UTC
Updated: October 7, 2026 at 09:10 PM UTC
1 product affected across 1 vendorRS9116W

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

RS9116W· Silabs Com
60%
v ≤ 2.12.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPermissions Required
Source: cverecord
https://community.silabs.com/068Vm00000YV9DL

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHSilabs
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-240CWE-617

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