CVE-2022-40080

HIGH

Acer Aspire E5-475G Firmware - Stack Overflow in FpGui Module

Title source: llm

Description

Stack overflow vulnerability in Aspire E5-475G 's BIOS firmware, in the FpGui module, a second call to GetVariable services allows local attackers to execute arbitrary code in the UEFI DXE phase and gain escalated privileges.

References (2)

Core 2

Core References

Not Applicable

https://acer.com/

Exploit, Third Party Advisory

https://github.com/10TG/vulnerabilities/blob/main/Acer/CVE-2022-40080/CVE-2022-40080.md

View Exploit ZIP pw:eip

Scores

CVSS v3 7.8

EPSS 0.0037

EPSS Percentile 28.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (1)

acer/aspire_e5-475g_firmware 1.21

Published Feb 16, 2023

Tracked Since Feb 18, 2026