Denial of Service in Silicon Labs RS9116 Bluetooth SDK

published 2024-12-19 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-48323

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

Due to an unchecked buffer length, a specially crafted L2CAP packet can cause a buffer overflow. This buffer overflow triggers an assert, which results in a temporary denial of service.

If a watchdog timer is not enabled, a hard reset is required to recover the device.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-20)

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

silabs.com RS9116 Bluetooth SDK

Classification

Weakness

CWE-787 Out-of-bounds Write
CWE-617 Reachable Assertion

References

community.silabs.com /068Vm00000I5mjD
vendor-advisory, permissions-required

Sources

CVE List CVE-2024-7139
NVD CVE-2024-7139

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary