CVE-2023-4041
CRITICALSilicon Labs Gecko Bootloader - Classic Buffer Overflow
Title source: llmDescription
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.
Scores
CVSS v3
9.8
EPSS
0.0003
EPSS Percentile
10.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-494
CWE-913
CWE-120
CWE-787
Status
published
Products (1)
silabs/gecko_bootloader
< 4.2.4
Published
Aug 23, 2023
Tracked Since
Feb 18, 2026