CVE-2023-40039 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered on ARRIS TG852G, TG862G, and TG1672G devices. A remote attacker (in proximity to a Wi-Fi network) can derive the default WPA2-PSK value by observing a beacon frame.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Arris	Tg852G Firmware	-
Arris	Tg852G	-
Arris	Tg862G Firmware	-
Arris	Tg862G	-
Arris	Tg1672G Firmware	-
Arris	Tg1672G	-

Related Weaknesses (CWE)

CWE-284

References

https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039Third Party Advisory
https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.pngProduct
https://i.ebayimg.com/images/g/4P0AAOSwdhxkrZtt/s-l1600.jpgProduct
https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039Third Party Advisory
https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.pngProduct
https://i.ebayimg.com/images/g/4P0AAOSwdhxkrZtt/s-l1600.jpgProduct

FAQ

What is CVE-2023-40039?

CVE-2023-40039 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered on ARRIS TG852G, TG862G, and TG1672G devices. A remote attacker (in proximity to a Wi-Fi network) can derive the default WPA2-PSK value by observing a beacon frame.

How severe is CVE-2023-40039?

CVE-2023-40039 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-40039?

Check the references section above for vendor advisories and patch information. Affected products include: Arris Tg852G Firmware, Arris Tg852G, Arris Tg862G Firmware, Arris Tg862G, Arris Tg1672G Firmware.