CVE-2017-9476

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-07-31 · updated 2026-06-17
Weakness: CWE-200

Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); and Arris TG1682G (eMTA&DOCSIS version 10.0.132.SIP.PC20.CT, software version TG1682_2.2p7s2_PROD_sey) devices makes it easy for remote attackers to determine the hidden SSID and passphrase for a Home Security Wi-Fi network.

Affected products

Cisco Dpc3939 Firmware: dpc3939-p20-18-v303r20421746-170221a-cmcst, dpc3939-p20-18-v303r20421733-160420a-cmcst
Commscope Arris Tg1682G Firmware: 10.0.132.sip.pc20.ct, tg1682_2.2p7s2_prod_sey

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-18.home-security-wifi-network.txt
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-18.home-security-wifi-network.txt

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