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

The following table lists the changes that have been made to the
CVE-2025-2838 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Mar. 26, 2025

    Action Type Old Value New Value
    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.

    Added CVSS V3 AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-835
    Added Reference https://community.silabs.com/a45Vm0000000Atp
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-24-872/
Share the Post:

Related Posts