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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (8.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Realtek Bluetooth Hci Adaptor — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.twcert.org.tw/tw/cp-132-10160-76012-1.html (third-party-advisory)
- www.twcert.org.tw/en/cp-139-10161-fa1b5-2.html (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.