Vulnerability in Realtek Bluetooth Hci Adaptor
CVE-2024-11857
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.
EPSS: 0.002 (8.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Realtek Bluetooth Hci Adaptor — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- twcert@cert.org.tw (third-party-advisory)
- twcert@cert.org.tw (third-party-advisory)
Frequently asked questions
- What is CVE-2024-11857?
- CVE-2024-11857 is a high-severity vulnerability in Realtek Bluetooth Hci Adaptor, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2025-06-02.
- How severe is CVE-2024-11857?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-11857 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.