How severe is CVE-2017-6520?

CVE-2017-6520 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2017-6520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6520?

CVE-2017-6520 affects Bose Soundtouch 30. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-6520 published?

CVE-2017-6520 was published on 2017-05-01 and last updated on 2026-06-17.

CVE-2017-6520

CVE-2017-6520 is a critical-severity vulnerability in Bose Soundtouch 30 with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-417.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-417
Affected product: Bose Soundtouch 30
Published: 2017-05-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-6520?: 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.
How severe is CVE-2017-6520?: CVE-2017-6520 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2017-6520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6520?: CVE-2017-6520 affects Bose Soundtouch 30. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-6520 published?: CVE-2017-6520 was published on 2017-05-01 and last updated on 2026-06-17.

References

https://www.secfu.net/advisories

Affected products (1)

cpe:2.3:h:bose:soundtouch_30:-:*:*:*:*:*:*:*

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