Medium severity · published Jul 31, 2017
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);…
6.5
CVSS
1.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Arris Tg1682g Firmware · Commscope
10.0.132.sip.pc20.ct; tg1682_2.2p7s2_prod_sey · source: NVD
DF
Dpc3939 Firmware · Cisco
dpc3939-p20-18-v303r20421746-170221a-cmcst; dpc3939-p20-18-v303r20421733-160420a-cmcst · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9476
Exploit
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-18.home-security-wifi-network.txt
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