TI-2023-05988 Aliases CVE-2023-6533 GHSA-c467-vf3v-2g2q

Silicon Labs PC Controller Denial of Service Vulnerability

LOW 28CWE-248Published 2024-02-21 · Updated 2024-09-27

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-248.

Summary

Malformed Device Reset Locally Command Class packets can be sent to the controller, causing the controller to assume the end device has left the network. After this, frames sent by the end device will not be acknowledged by the controller. This vulnerability exists in PC Controller v5.54.0, and earlier.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00251 16th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

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	PC Controller	up to 5.54.0	—	No fix listed	CNA

PC Controller Vendorsilabs.com Affected up to 5.54.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:silabs:z-wave_pc-based_controller::::::::	up to 5.54	Vulnerable	silabs.com

cpe:2.3:a:silabs:z-wave_pc-based_controller:*:*:*:*:*:*:*:* Versions up to 5.54 Vulnerable ·silabs.com

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2024-02-21
silabs.com PC Controller — community.silabs.com/068Vm000001HdNm
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-06085 Silicon Labs PC Controller v5.54.0 and Earlier Denial of Service VulnerabilityPriority LOW 28
Show all 2 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2023-6533
2026-10-03 Alias added: GHSA-c467-vf3v-2g2q

References

Advisory 1

https://community.silabs.com/068Vm000001HdNm

TI-2023-06085 Silicon Labs PC Controller v5.54.0 and Earlier Denial of Service Vulnerability CVSS 3.1MEDIUM 6.5

Sources

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