Taiwan CERT warns of high-severity arbitrary file write in Gigabyte Control Center (CVE-2026-4415)

Answer Brief

TWCERT/CC published a Taiwan Vulnerability Note for a high-severity arbitrary file write flaw in Gigabyte Control Center. The advisory says that when the product’s pairing function is enabled, an unauthenticated remote attacker could write arbitrary files to any OS path, potentially enabling code execution or privilege escalation. Gigabyte Control Center versions up to 25.07.21.01 are listed as affected, and upgrading to 25.12.10.01 or later is recommended.

Abstract diagram showing a network request path to an endpoint service and a highlighted file system write risk area, representing an arbitrary file write vulnerability.

Executive Summary: TWCERT/CC published a Taiwan Vulnerability Note for a high-severity arbitrary file write flaw in Gigabyte Control Center. The advisory says that when the product’s pairing function is enabled, an unauthenticated remote attacker could write arbitrary files to any OS path, potentially enabling code execution or privilege escalation. Gigabyte Control Center versions up to 25.07.21.01 are listed as affected, and upgrading to 25.12.10.01 or later is recommended.

Why It Matters

This advisory matters beyond Taiwan because Gigabyte Control Center is OEM/utility software that can appear on endpoints across global enterprises and consumer fleets, including devices that may later be enrolled into corporate management. TWCERT/CC’s note describes a scenario in which an attacker does not need authentication and can act remotely when a specific feature (“pairing”) is enabled—an exposure pattern that can be easy to overlook during asset inventory because it depends on runtime configuration, not just installation.

The core risk described is an arbitrary file write to any path on the underlying operating system. If accurate in typical deployments, that primitive can be a stepping stone to higher-impact outcomes such as executing attacker-controlled code or escalating privileges, depending on what files can be overwritten and how the host is configured. TWCERT/CC explicitly states these potential consequences.

For security, IT, and infrastructure risk teams, the operational signal is that OEM companion apps can introduce network-reachable services on endpoints. Even when the CVSS attack complexity is listed as high, the combination of remote reachability and no authentication (per the published vector) can be attractive for attackers in scenarios where endpoints are exposed on local networks, segmented enterprise networks, or remote-work environments.

All technical claims above are grounded in the TWCERT/CC TVN advisory; the note does not provide exploitation details, affected OS lists, or deployment prevalence, so impact in a given environment remains dependent on how the pairing function is used and where endpoints are reachable.

Event Type: security
Importance: high

Affected Companies

  • Gigabyte

Affected Sectors

  • Consumer Devices
  • Endpoint Management
  • Enterprise IT
  • PC OEM Software

Key Numbers

  • CVE: CVE-2026-4415
  • TVN ID: TVN-202603008
  • CVSS v3.1: 8.1 (High)
  • Affected versions: Gigabyte Control Center ≤ 25.07.21.01
  • Fixed version (recommended): Gigabyte Control Center ≥ 25.12.10.01
  • CVSS vector (as published): CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Timeline

  1. TWCERT/CC published TVN-202603008 for CVE-2026-4415 affecting Gigabyte Control Center.

Sources

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