What is the severity of ZDI-CAN-23245?

The severity of ZDI-CAN-23245 is rated at 8.8 on the CVSS scale.

How do I fix ZDI-CAN-23245?

To fix ZDI-CAN-23245, you should update to the latest version of the Silicon Labs Gecko OS that addresses this vulnerability.

Who is affected by ZDI-CAN-23245?

ZDI-CAN-23245 affects installations of the Silicon Labs Gecko OS.

Is authentication required to exploit ZDI-CAN-23245?

No, authentication is not required to exploit ZDI-CAN-23245.

Vulnerability/
ZDI-CAN-23245

high

8.8

21/6/2024

30/3/2025

ZDI-CAN-23245: ZDI-24-871: (Pwn2Own) Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability

First published: Fri Jun 21 2024(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HTTP requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

Affected Software	Affected Version	How to fix
SiLabs Gecko SDK
SiLabs Gecko SDK

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Frequently Asked Questions

What is the severity of ZDI-CAN-23245?
The severity of ZDI-CAN-23245 is rated at 8.8 on the CVSS scale.
How do I fix ZDI-CAN-23245?
To fix ZDI-CAN-23245, you should update to the latest version of the Silicon Labs Gecko OS that addresses this vulnerability.
Who is affected by ZDI-CAN-23245?
ZDI-CAN-23245 affects installations of the Silicon Labs Gecko OS.
Is authentication required to exploit ZDI-CAN-23245?
No, authentication is not required to exploit ZDI-CAN-23245.
What type of attack does ZDI-CAN-23245 allow?
ZDI-CAN-23245 allows network-adjacent attackers to execute arbitrary code on affected systems.

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alias/ZDI-CAN-23245
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agent/softwarecombine
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collector/zdi-advisory
alias/ZDI-24-871
alias/CVE-2025-2837
vendor/silicon labs
canonical/silabs gecko sdk

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