CVE-2017-9482 The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtain root access to the Network Processor (NP) Linux system by....

CriticalCVSS 9.8 EPSS 2.5%

Published: 2017-07-31 06:00
Updated: 2026-06-17 04:28
Exploit status: No public exploit known

Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtain root access to the Network Processor (NP) Linux system by enabling a TELNET daemon (through CVE-2017-9479 exploitation) and then establishing a TELNET session.

Affected products

Product	Affected versions	Fixed in
cisco dpc3939 firmware	= dpc3939-p20-18-v303r20421746-170221a-cmcst	No fix listed

References

github.com exploit third-party-advisory

CVSS v3.0

9.8 Critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

All scores (2)

v3.0 9.8 · nvd@nist.gov
v2.0 10.0 · nvd@nist.gov

Weakness & likelihood

EPSS (exploitation probability, 30 days): 2.53% (percentile 85.1)
CWE: CWE-732

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.