CVE-2017-9488 — HIGH (8.8) — White Hats Nepal

Vulnerability Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices 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.

CVSS Score

8.8

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Dpc3939 Firmware	dpc3939-p20-18-v303r20421746-170221a-cmcst
Cisco	Dpc3939	-
Cisco	Dpc3941T Firmware	dpc3941_2.5s3_prod_sey
Cisco	Dpc3941T	-

Related Weaknesses (CWE)

CWE-798

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastilleExploitThird Party Advisory
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastilleExploitThird Party Advisory

FAQ

What is CVE-2017-9488?

CVE-2017-9488 is a vulnerability with a CVSS score of 8.8 (HIGH). The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to access the...

How severe is CVE-2017-9488?

CVE-2017-9488 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9488?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Dpc3939 Firmware, Cisco Dpc3939, Cisco Dpc3941T Firmware, Cisco Dpc3941T.