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THREAT OPS › Threat News › [NVD] CVE-2025-61661 (MEDIUM 4.8) — A vulnerability has been identified in the GRUB (Grand Unified Bootloader) component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can

[NVD] CVE-2025-61661 (MEDIUM 4.8) — A vulnerability has been identified in the GRUB (Grand Unified Bootloader) component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can

lownvdPublished 2025-11-18

CVE-2025-61661 CVSS: 4.8 MEDIUM Published: 2025-11-18T19:15:49.973

A vulnerability has been identified in the GRUB (Grand Unified Bootloader) component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can connect a maliciously configured USB device during t

Indicators of compromise

CVE-2025-61661cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-61661