PT-2017-18958 · Cisco · Cisco Dpc3941T+1

Chris Grayson + 2 · Published 2017-07-31 · Updated 2017-08-02 · CVE-2017-9488

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco DPC3939 version dpc3939-P20-18-v303r20421746-170221a-CMCST Cisco DPC3941T version DPC3941 2.5s3 PROD sey

Description The issue allows remote attackers to access the web UI by establishing a session to the wan0 WAN IPv6 address and then entering unspecified hardcoded credentials. This wan0 interface cannot be accessed from the public Internet.

Recommendations For Cisco DPC3939 version dpc3939-P20-18-v303r20421746-170221a-CMCST, consider restricting access to the wan0 interface to minimize the risk of exploitation. For Cisco DPC3941T version DPC3941 2.5s3 PROD sey, consider restricting access to the wan0 interface to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2017-9488

Affected Products

Cisco Dpc3939

Cisco Dpc3941T

References · 3

• 🔥 https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-31.stb-remote-webui.txt · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-9488 · Security Note
• https://osv.dev/vulnerability/CVE-2017-9488 · Vendor Advisory