WPA2-PSK Derivation Vulnerability on ARRIS Networking Devices
CVE-2023-40039

9.8CRITICAL

Key Information:

Vendor

Arris

Status
Tg852g Firmware
Vendor
CVE Published:
11 September 2023

What is CVE-2023-40039?

A security flaw has been identified in ARRIS TG852G, TG862G, and TG1672G devices which allows a nearby remote attacker to extract the default WPA2-PSK value simply by analyzing a transmitted beacon frame. This vulnerability could potentially expose the network to unauthorized access, making it a significant concern for users relying on these devices for secure Wi-Fi connectivity.

References

https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.png
https://i.ebayimg.com/images/g/4P0AAOSwdhxkrZtt/s-l1600.jpg
https://github.com/actuator/cve/blob/main/Arris/CVE-2023-...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.