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Published: 31/07/2017 Updated: 03/10/2019

CVSS v2 Base Score: 10 | Impact Score: 10 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 890

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

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote malicious users 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.

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cisco dpc3939_firmware dpc3939-p20-18-v303r20421746-170221a-cmcst

CWE-732 https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-25.atom-telnet.txt https://nvd.nist.gov

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CVE-2017-9482

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