CVE-2025-2838

MEDIUM

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

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-24-872/
Permissions Required vendor-advisory
https://community.silabs.com/a45Vm0000000Atp

Scores

CVSS v3 6.5
EPSS 0.0022
EPSS Percentile 12.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-835
Status published
Products (1)
silabs/gecko_os 1.0.46
Published Mar 26, 2025
Tracked Since Feb 18, 2026