Is CVE-2017-6520 actively exploited?

No active exploitation of CVE-2017-6520 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-6520 be exploited remotely?

Yes. CVE-2017-6520 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-6520?

CVE-2017-6520 has a CVSS score of 9.1 (CRITICAL).

HOME VULNERABILITIESCVE-2017-6520

CRITICAL

CVE-2017-6520

CWE-417Published: May 1, 2017· Updated: Jun 17, 2026

9.1

CVSS v3.1

Official Description

The Multicast DNS (mDNS) responder used in BOSE Soundtouch 30 inadvertently responds to IPv4 unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets.

NVD Source

Technical Analysis

CVE-2017-6520 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.1.