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

Quick assessment

Affected
Silicon Labs Gecko OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silicon Gecko OS是美国芯科（Silicon）公司的一款高度优化且功能丰富的物联网操作系统。 Silicon Gecko OS存在安全漏洞，该漏洞源于DNS响应处理存在无限循环可能导致拒绝服务。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-2838

Vulnerability Information
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Vulnerability Title
Silicon Labs Gecko OS DNS Response Processing Infinite Loop Denial-of-Service Vulnerability
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Gecko OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Gecko OS是美国芯科（Silicon）公司的一款高度优化且功能丰富的物联网操作系统。 Silicon Gecko OS存在安全漏洞，该漏洞源于DNS响应处理存在无限循环可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Silicon Labs Gecko OS 1.0.46 -

II. Public POCs for CVE-2025-2838

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III. Intelligence Information for CVE-2025-2838

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Vendor Advisories for CVE-2025-2838 (1)

IV. Related Vulnerabilities

Same product: Gecko OS
Same vendor: Silicon Labs
Same weakness: CWE-835

V. Comments for CVE-2025-2838

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