Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2005-4417: The default configuration of Widcomm Bluetooth for Windows (BTW) 4.0.1.1500 and earlier, as installed on Belki

50
This month
MEDIUM 6.4DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2005-4417 is a medium-severity flaw (CVSS 6.4) affecting blue usb-130-250 software, bluetooth software, bluetooth for windows. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The default configuration of Widcomm Bluetooth for Windows (BTW) 4.0.1.1500 and earlier, as installed on Belkin Bluetooth Software 1.4.2 Build 10 and ANYCOM Blue USB-130-250 Software 4.0.1.1500, and possibly other devices, sets null Authentication and Authorization values, which allows remote attackers to send arbitrary audio and possibly eavesdrop using the microphone via the Hands Free Audio Gateway and Headset profile.

Why this priority

  • EPSS top 8%: very likely to be exploited
  • Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score6.4 (Medium)
EPSS exploit chance4.8% (top 8%)
CISA exploited listNo
Published2005-12-20
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: anycom · belkin · widcomm

Share: LinkedIn · X · Reddit

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

anycom blue usb-130-250 software DOWNGRADE
Affected: 4.0.1.1500
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.0.1.1500
1. Check installed version
apt-cache policy blue-usb-130-250-software || rpm -q blue-usb-130-250-software || blue-usb-130-250-software --version
2. No fixed release: DOWNGRADE to a release before 4.0.1.1500 (Debian / Ubuntu)
apt-cache madison blue-usb-130-250-software sudo apt install blue-usb-130-250-software=<VERSION_BEFORE_4.0.1.1500> sudo apt-mark hold blue-usb-130-250-software
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list blue-usb-130-250-software sudo dnf downgrade blue-usb-130-250-software-<VERSION_BEFORE_4.0.1.1500> sudo dnf versionlock add blue-usb-130-250-software
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
belkin bluetooth software DOWNGRADE
Affected: 1.4.2_build_10
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.4.2_build_10
1. Check installed version
apt-cache policy bluetooth-software || rpm -q bluetooth-software || bluetooth-software --version
2. No fixed release: DOWNGRADE to a release before 1.4.2_build_10 (Debian / Ubuntu)
apt-cache madison bluetooth-software sudo apt install bluetooth-software=<VERSION_BEFORE_1.4.2_build_10> sudo apt-mark hold bluetooth-software
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list bluetooth-software sudo dnf downgrade bluetooth-software-<VERSION_BEFORE_1.4.2_build_10> sudo dnf versionlock add bluetooth-software
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
widcomm bluetooth for windows DOWNGRADE
Affected: 4.0.1.1500
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.0.1.1500
1. Check installed version
apt-cache policy bluetooth-for-windows || rpm -q bluetooth-for-windows || bluetooth-for-windows --version
2. No fixed release: DOWNGRADE to a release before 4.0.1.1500 (Debian / Ubuntu)
apt-cache madison bluetooth-for-windows sudo apt install bluetooth-for-windows=<VERSION_BEFORE_4.0.1.1500> sudo apt-mark hold bluetooth-for-windows
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list bluetooth-for-windows sudo dnf downgrade bluetooth-for-windows-<VERSION_BEFORE_4.0.1.1500> sudo dnf versionlock add bluetooth-for-windows
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2005-4417?

blue usb-130-250 software: downgrade or apply the listed mitigation; bluetooth software: downgrade or apply the listed mitigation; bluetooth for windows: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-4417 being exploited?

CVE-2005-4417 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2005-4417 affect?

CVE-2005-4417 affects blue usb-130-250 software, bluetooth software, bluetooth for windows. Severity is medium (CVSS 6.4). The default configuration of Widcomm Bluetooth for Windows (BTW) 4.0.1.1500 and earlier, as installed on Belkin Bluetooth Software 1.4.2 Build 10 and ANYCOM Blue USB-130-250 Software 4.0.1.1500, and possibly other devices, sets null Authent

How urgent is CVE-2005-4417?

Priority 50/100. EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

Windows vulnerabilities · Bluetooth vulnerabilities

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.