Arbitrary Command Execution in Cisco DPC3939 Firmware by Comcast
CVE-2017-9483

9.8CRITICAL

Key Information:

Vendor

Cisco
Status
Dpc3939 Firmware
Vendor
CVE Published:
31 July 2017

What is CVE-2017-9483?

The firmware of the Cisco DPC3939 device, provided by Comcast, contains a vulnerability that enables users with Network Processor (NP) Linux access to execute arbitrary commands. By exploiting shell metacharacters within command inputs, attackers can gain unauthorized root access to the Application Processor (AP) Linux system. This flaw poses significant risks to device security, allowing intruders to manipulate operations and potentially compromise sensitive data.

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

.