What’s Vulnerable › Vulnerabilities

CVE-2023-0775: Bluetooth LE Invalid prepare write request command leads to denial of service

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-28 · updated 2026-06-17
• Weakness: CWE-20

Description

An invalid ‘prepare write request’ command can cause the Bluetooth LE stack to run out of memory and fail to be able to handle subsequent connection requests, resulting in a denial-of-service.

Affected products

• silabs.com Gecko Platform: 5.1.0, 5.1.1

References

• https://github.com/SiliconLabs/gecko_sdk
• https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000SMMyGQAX?operationContext=S1
• https://github.com/SiliconLabs/gecko_sdk
• https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000SMMyGQAX?operationContext=S1

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