Gigabyte — Cyber Attacks, Breaches & Threat Activity

Overview

Gigabyte Technology Co., Ltd. is a major motherboard and PC hardware manufacturer. Recent cybersecurity reporting identifies Gigabyte's motherboards as affected by firmware-level flaws—the Sleeping Bouncer vulnerability and UEFI flaws—that enable pre-boot and early-boot attacks and DMA exploits, underscoring a firmware-level risk in popular hardware.

Related Threat Clusters

• Sleeping Bouncer Vulnerability Affects Major Motherboard Brands

  A critical security vulnerability named 'Sleeping Bouncer' has been identified in motherboards from Gigabyte, MSI, ASRock, and ASUS. Discovered by Riot Games analysts, this flaw exploits weaknesses in pre-boot…

  2 articles · Updated December 22, 2025
• UEFI Vulnerability Allows DMA Attacks on Major Motherboard Brands

  A vulnerability in the UEFI firmware of motherboards from ASUS, Gigabyte, MSI, and ASRock allows direct memory access (DMA) attacks that can bypass early-boot memory protections. The issue has been assigned multiple CVE…

  4 articles · Updated December 19, 2025

Recent Intelligence Reports

• Sleeping Bouncer Vulnerability Impacts Motherboards from Gigabyte, MSI, ASRock and ASUS — Cybersecuritynews · December 22, 2025
• Sleeping Bouncer Vulnerability Impacts Gigabyte, MSI, ASRock, and ASUS Motherboards — Gbhackers · December 22, 2025
• New UEFI flaw enables pre-boot attacks on motherboards from Gigabyte, MSI, ASUS, ASRock — Bleepingcomputer · December 19, 2025
• New UEFI Flaw Enables Early-Boot DMA Attacks on ASRock, ASUS, GIGABYTE, MSI Motherboards — Thehackernews · December 19, 2025

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