CVE-2025-2838

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

Published Mar 26, 2025 CVSS 3.0 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-8257 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.
History
Type Values Removed Values Added
First Time appeared Silabs
Silabs gecko Os
CPEs cpe:2.3:o:silabs:gecko_os:1.0.46:*:*:*:*:*:*:*
Vendors & Products Silabs
Silabs gecko Os
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Silicon Labs Gecko OS DNS Response Processing Infinite Loop Denial-of-Service Vulnerability
Weaknesses CWE-835
References
Metrics cvssV3_0

{'score': 6.5, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Mar 27, 2025, 2:52 PM
Reserved
Mar 26, 2025, 9:16 PM
Status
Analyzed
Published
Mar 26, 2025, 10:15 PM
Modified
Jun 17, 2026, 9:07 AM