How severe is CVE-2017-9475?

CVE-2017-9475 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-9475 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9475?

CVE-2017-9475 affects Comcast Xfinity Wifi Hotspot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9475?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-9475 published?

CVE-2017-9475 was published on 2017-07-31 and last updated on 2026-06-17.

CVE-2017-9475

CVE-2017-9475 is a medium-severity vulnerability in Comcast Xfinity Wifi Hotspot with a CVSS 3.x base score of 5.9. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Comcast Xfinity Wifi Hotspot
Published: 2017-07-31
Last modified: 2026-06-17

Description

Comcast XFINITY WiFi Home Hotspot devices allow remote attackers to spoof the identities of Comcast customers via a forged MAC address.

Frequently asked questions

What is CVE-2017-9475?: Comcast XFINITY WiFi Home Hotspot devices allow remote attackers to spoof the identities of Comcast customers via a forged MAC address.
How severe is CVE-2017-9475?: CVE-2017-9475 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-9475 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9475?: CVE-2017-9475 affects Comcast Xfinity Wifi Hotspot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9475?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9475 published?: CVE-2017-9475 was published on 2017-07-31 and last updated on 2026-06-17.

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-17.public-wifi-theft-impersonation.txt

Affected products (1)

cpe:2.3:a:comcast:xfinity_wifi_hotspot:-:*:*:*:*:*:*:*

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