CVE-2024-11857: Realtek Bluetooth HCI Adaptor - Privilege Escalation

Published Jun 2, 2025
·
Updated

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.

Affected Software

1 affected component
Realtek Bluetooth HCI Adaptor

Remediation

Information

Update to version 1.1.73.1 or later.

Event History

Jun 2, 2025
CVE Published
via MITRE·03:24 AM
Data Sourced
via MITRE·03:24 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:15 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2024-11857?

CVE-2024-11857 is considered a high-severity vulnerability due to its potential for local attackers to delete arbitrary files.

2

How do I fix CVE-2024-11857?

To fix CVE-2024-11857, ensure that you apply the latest security updates provided by Realtek for the Bluetooth HCI Adaptor.

3

Who is affected by CVE-2024-11857?

CVE-2024-11857 affects users of the Realtek Bluetooth HCI Adaptor, particularly in environments where local attackers may have standard privileges.

4

What does the Link Following vulnerability in CVE-2024-11857 allow attackers to do?

The Link Following vulnerability in CVE-2024-11857 allows attackers to create symbolic links leading to the deletion of arbitrary files.

5

Can CVE-2024-11857 be exploited remotely?

CVE-2024-11857 cannot be exploited remotely as it requires local access to the affected system.

Contact

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