CVE-2025-2837: (Pwn2Own) Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability
First published: Wed Mar 26 2025(Updated: )
Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability. 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. Was ZDI-CAN-23245.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SiLabs Gecko SDK | ||
| SiLabs Gecko SDK |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-2837?
CVE-2025-2837 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-2837?
To fix CVE-2025-2837, update to the latest version of Silicon Labs Gecko OS that includes the security patch.
Who can exploit CVE-2025-2837?
CVE-2025-2837 can be exploited by network-adjacent attackers without the need for authentication.
What impact does CVE-2025-2837 have on affected systems?
CVE-2025-2837 allows attackers to execute arbitrary code, potentially compromising the entire system.
Which versions of Silicon Labs Gecko OS are affected by CVE-2025-2837?
CVE-2025-2837 affects all installations of Silicon Labs Gecko OS that have not been updated to the patched version.
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