8.5

CVE-2024-11857: realtek bluetooth hci adaptor Link Following

CVSS: 8.5v4.0HighDeferred
Published 02-06-2025Last modified 02-06-2025
Open JSON

Vulnerability summary

CVE-2024-11857 is a high (CVSS 8.5) Link Following vulnerability in realtek bluetooth hci adaptor. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.2% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.20%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-06-2025
    PublishedVulnerability first disclosed.
  2. 02-06-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

+0.01 pp

From 0.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Realtek1 product

1 vendor · 1 product

References

2 links