Remote Mac Address Discovery Vulnerability in Cisco DPC3939 Firmware
CVE-2017-9484

7.5HIGH

Key Information:

Vendor

Cisco
Status
Dpc3939 Firmware
Vendor
CVE Published:
31 July 2017

What is CVE-2017-9484?

The firmware on specific Cisco DPC3939 devices exposes a security flaw that allows remote attackers to ascertain the cable modem's MAC address. By sniffing Wi-Fi traffic and performing basic arithmetic operations, malicious actors can exploit this vulnerability to discover sensitive network information, potentially leading to unauthorized access or further attacks. It is critical that users ensure their firmware is updated to mitigate this risk.

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References

https://github.com/BastilleResearch/CableTap/blob/master/...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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