harman mgu21 firmware vulnerabilities and fixes

Recent CVEs affecting harman mgu21 firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: harmanmgu21firmware.

harman mgu21 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-05-22. Highest priority: CVE-2025-3885 (score 28/100).

• CVE-2025-3885 MEDIUM 6.5 MITIGATE Harman Becker MGU21 Bluetooth Improper Input Validation Denial-of-Service Vulnerability

FAQ

How do I fix harman mgu21 firmware vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is harman mgu21 firmware being exploited right now?

None of the tracked harman mgu21 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which harman mgu21 firmware CVE should I patch first?

CVE-2025-3885 currently ranks highest (28/100): Harman Becker MGU21 Bluetooth Improper Input Validation Denial-of-Service Vulnerability.

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