CVE-2017-9477 describes an information disclosure vulnerability in specific Comcast firmware versions for Cisco DPC3939 and DPC3939B devices. This flaw allows remote attackers to discover the device's CM MAC address by connecting to its xfinitywifi hotspot. Rated Medium severity (CVSS 6.5), the vulnerability has a low attack complexity and requires no user interaction, potentially leading to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
dpc3939-p20-18-v303r20421746-170221a-cmcstCPE matchmatch criteria | cpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421746-170221a-cmcst:*:*:*:*:*:*:* | ||
dpc3939-p20-18-v303r20421733-160420a-cmcstCPE matchmatch criteria | cpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421733-160420a-cmcst:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.