CVE-2024-11857

Realtek Bluetooth HCI Adaptor - Privilege Escalation

Published Jun 2, 2025 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
Bluetooth HCI Adaptor from Realtek has a Link Following vulnerability. Local attackers with regular privileges can create a symbolic link with the same name as a specific file, causing the product to delete arbitrary files pointed to by the link. Subsequently, attackers can leverage arbitrary file deletion to privilege escalation.

Remediation

Vendor Solution

Update to version 1.1.73.1 or later.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-54617 Bluetooth HCI Adaptor from Realtek has a Link Following vulnerability. Local attackers with regular privileges can create a symbolic link with the same name as a specific file, causing the product to delete arbitrary files pointed to by the link. Subsequently, attackers can leverage arbitrary file deletion to privilege escalation.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Bluetooth HCI Adaptor from Realtek has a Link Following vulnerability. Local attackers with regular privileges can create a symbolic link with the same name as a specific file, causing the product to delete arbitrary files pointed to by the link. Subsequently, attackers can leverage arbitrary file deletion to privilege escalation.
Title Realtek Bluetooth HCI Adaptor - Privilege Escalation
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Jun 2, 2025, 3:46 AM
Reserved
Nov 27, 2024, 6:26 AM
Status
Deferred
Published
Jun 2, 2025, 4:15 AM
Modified
Jun 17, 2026, 6:58 AM