CVE-2025-2837HIGH 8.8EPSS p36.2%

CVE-2025-2837CVE-2025-2837

Description

Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HTTP requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23245.

Scoring

CVSS 3.08.8 (HIGH)
VectorCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.46% probability of exploitation · percentile 36.2% · 2026-06-19T12:03:05Z
Published2025-03-26
Last modified2025-08-08

Underlying weaknesses· 1

CWE-121

References

  1. https://community.silabs.com/a45Vm0000000Atp
  2. https://www.zerodayinitiative.com/advisories/ZDI-24-871/

1

TypeTargetConfidenceTier
WeaknessStack-based Buffer Overflowcwe-1210%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.