Remote Access Vulnerability in Comcast Firmware for Cisco DPC3939 Devices
CVE-2017-9482

9.8CRITICAL

Key Information:

Vendor
Cisco
Status
Dpc3939 Firmware
Vendor
CVE Published:
31 July 2017

Summary

The Comcast firmware on Cisco DPC3939 devices is susceptible to a vulnerability that allows remote attackers to gain unauthorized root access to the Network Processor (NP) Linux system. This is accomplished by triggering a TELNET daemon, which is enabled through exploitation of a prior vulnerability, CVE-2017-9479. Once the TELNET session is established, the attackers can manipulate system functionalities, putting sensitive data and operations at risk.

References

https://github.com/BastilleResearch/CableTap/blob/master/...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.