Vulnerability Monitor

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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 enabling a TELNET daemon (through CVE-2017-9479 exploitation) and then establishing a TELNET session.

Published

2017-07-31T03:29:00.440

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-732

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	dpc3939_firmware	dpc3939-p20-18-v303r20421746-170221a-cmcst	Yes
Hardware	cisco	dpc3939	-	No

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-25.atom-telnet.txt Exploit, Third Party Advisory ([email protected])
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-25.atom-telnet.txt Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)