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6.5 Medium

CVE-2025-2838 Silicon Labs Gecko OS DNS Response Processing Infinite Loop Denial-of-Service Vulnerability

Description

Silicon Labs Gecko OS DNS Response Processing Infinite Loop Denial-of-Service Vulnerability. This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of DNS responses. The issue results from a logic error that can lead to an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-23392.

Affected products and versions

Product Affected versions Fixed in
Gecko OS 1.0.46 No fix stated

Other CVEs of Gecko OS

The 6 CVEs of Gecko OS →
CVE-2025-2837 Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability 8.8 High CVE-2024-23937 This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of… 4.3 Medium CVE-2024-23973 This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs… 8.8 High CVE-2024-24731 This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs… 7.5 High
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