Information disclosure in Cisco Dpc3939
CVE-2017-9476
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.017 (76.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Cisco Dpc3939
- Cisco Dpc3939 Firmware — versions dpc3939-p20-18-v303r20421746-170221a-cmcst, dpc3939-p20-18-v303r20421733-160420a-cmcst
- Commscope Arris Tg1682g
- Commscope Arris Tg1682g Firmware — versions 10.0.132.sip.pc20.ct, tg1682_2.2p7s2_prod_sey
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-18.hom… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-9476?
- CVE-2017-9476 is a medium-severity vulnerability in Cisco Dpc3939, classified under Information Disclosure. CVSS score: 6.5/10. Published 2017-07-31.
- How severe is CVE-2017-9476?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-9476 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.