CVE-2024-11857 Realtek Bluetooth HCI Adaptor - Privilege Escalation
Local attackers can exploit a link following vulnerability to delete arbitrary files, leading to privilege escalation on Realtek Bluetooth HCI Adaptors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-11857?
CVE-2024-11857 is a high-severity path traversal vulnerability in Realtek Bluetooth HCI Adaptor, published on 2 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-59
Which versions are affected by CVE-2024-11857?
How do I fix CVE-2024-11857?
No fix has been published for CVE-2024-11857 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-11857 being exploited?
There is no known exploitation of CVE-2024-11857 in the wild and no public exploit code.
Sources
Also known as GHSA-vh52-rw4g-55j6.