TITLE: HP BIOS and System Firmware (S25, S27)
VERSION: 02.19.00 REV: A PASS: 1
DESCRIPTION:
This package is used to update the supported firmware on HP Business Desktop
models with S25 and S27 Family BIOS.
PURPOSE: Critical
SOFTPAQ NUMBER: sp161508
SOFTPAQ FILE NAME: sp161508.exe
SOFTPAQ MD5: A7ED044D82657F3E91862CA808AA3B55
SUPERSEDES: sp157519
EFFECTIVE DATE: August 10, 2025
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Desktops
HARDWARE PRODUCT MODEL(S):
HP ProDesk 405 G6 Desktop Mini PC

OPERATING SYSTEM(S):
Microsoft Windows 10 All Editions (64-bit)
Microsoft Windows 11

LANGUAGE(S): Global

ENHANCEMENTS:
- Addresses security vulnerability CVE-2024-36347.
- Enhances HP Sure Start protection.

- This BIOS upgrade package also includes the following firmware versions:
AMD PSP Firmware, version 0.8.0.91 (S25), 00.11.0.84 (S27)
AMD SMU Firmware, version 4.30.92.0 (S25), 0.55.95.0 (S27)
AMD VBIOS, version 016.002.000.011 (S25), 017.010.000.029 (S27)
AMD GOP, version 2.24.0.17.10
Super I/O (SIO), version 9.8.26
USB Type-C PD Firmware, version (CCG5C): 5.9.0
USB Type-C PD Firmware, version (ACG1F): 7.2.0
Realtek PXE OROM, version 2.03
Realtek UEFI PXE, version 2.053
RAID EFI Driver, version 9.3.0.266
PREREQUISITES: NONE
HOW TO USE:
1. Download the file by clicking the Download or Obtain Software button and
saving the file to a folder on your hard drive (make a note of the folder where
the downloaded file is saved).

2. Double-click the downloaded file and follow the on-screen instructions.

Copyright (c) 2025 HP Development Company, L.P.