PT-2025-17687 · Harman · Harman Becker Mgu21

Published 2025-04-23 · Updated 2025-08-15 · CVE-2025-3885

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Harman Becker MGU21 (affected versions not specified)

Description The issue is related to improper input validation in the Bluetooth component, which can lead to a denial-of-service condition. This was discovered by researchers Aaron Luo, Gloria Chen, Omar Yang, Spencer Hsieh, and Vit Sembera of VicOne.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2025-3885

ZDI-25-251

Affected Products

Harman Becker Mgu21

References · 6

• https://osv.dev/vulnerability/CVE-2025-3885 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-3885 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-25-251 · Security Note
• https://t.me/cveNotify/132468 · Telegram Post
• https://twitter.com/CVEnew/status/1925384178155307290 · Twitter Post
• https://twitter.com/TheZDIBugs/status/1915439618708623641 · Twitter Post