TI-2026-07624 Aliases CVE-2026-8676 GHSA-h7g2-qqw7-mf7r

Authentication bypass by spoofing in silabs.com Simplicity SDK

LOW 39CWE-290Published 2026-05-26 · Updated 2026-05-26

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00202 10th percentileScored 2026-11-07

Fix Fixed Simplicity SDK (silabs.com): 2024.12.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
silabs.com	Simplicity SDK	before 2024.12.0	2024.12.0	Patch available	CNA

Simplicity SDK Vendorsilabs.com Affected before 2024.12.0 Fixed in 2024.12.0 Patch available CNA

Remediation

Fix · CNA Simplicity SDK (silabs.com) Fixed in 2024.12.0

Timeline

2026-10-02 Threatist record created from CVE-2026-8676
2026-10-03 Alias added: GHSA-h7g2-qqw7-mf7r
2026-10-25 Priority changed: MEDIUM → LOW

References

Advisory 1

https://community.silabs.com/068Vm00000p3N9C

Other 1

https://www.silabs.com/documents/public/release-notes/bt-software-release-notes-9.0.0.0.pdf

TI-2023-24288 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 10.0
TI-2023-14952 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
TI-2023-12925 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
TI-2023-12476 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
TI-2022-08744 Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution CVSS 3.1CRITICAL 9.8
TI-2023-12937 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8

See all 178 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences