CVE-2017-9481

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtain unintended access to the Network Processor (NP) 169.254/16 IP network by adding a routing-table entry that specifies the LAN IP address as the router for that network.

El firmware Comcast en los dispositivos Cisco DPC3939 (versión de firmware dpc3939-P20-18-v303r20421746-170221a-CMCST), permite a los atacantes remotos obtener un acceso involuntario a la red IP 169.254/16 del Procesador de Red (NP) mediante la incorporación una entrada en la tabla de enrutamiento que especifica la dirección IP de la LAN como el enrutador para esa red.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-06-07 CVE Reserved
2017-07-31 CVE Published
2023-06-09 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-24.atom-ip-routing.txt	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Dpc3939 Firmware Search vendor "Cisco" for product "Dpc3939 Firmware"	dpc3939-p20-18-v303r20421746-170221a-cmcst Search vendor "Cisco" for product "Dpc3939 Firmware" and version "dpc3939-p20-18-v303r20421746-170221a-cmcst"	-	Affected	in	Cisco Search vendor "Cisco"	Dpc3939 Search vendor "Cisco" for product "Dpc3939"	-	-	Safe