CVE-2024-11857

CVE-2024-11857 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-11857?
CVE-2024-11857 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-11857 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-11857?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-11857 have an EU (EUVD) identifier?
Yes. CVE-2024-11857 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54617.
When was CVE-2024-11857 published?
CVE-2024-11857 was published on 2025-06-02 and last updated on 2026-06-17.

References

Other CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities

Browse all CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities →