vulnwire
8.8high

CVE-2017-9488

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 70%
Public exploits
0
none known

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to access the web UI by establishing a session to the wan0 WAN IPv6 address and then entering unspecified hardcoded credentials. This wan0 interface cannot be accessed from the public Internet.

Exploit prediction (EPSS)

1.27% probability of exploitation in the next 30 days, higher than 70% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.05.8AV:A/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

  • github.com /BastilleResearch/CableTap/blob/master/doc/advisories/bastille-31.stb-remote-webui.txt · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.