Critical severity · published Sep 11, 2023
CVE-2023-40039
An issue was discovered on ARRIS TG852G, TG862G, and TG1672G devices
9.8
CVSS
1.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tg1672g Firmware · Arris
All versions, or not specified · source: NVD
TF
Tg852g Firmware · Arris
All versions, or not specified · source: NVD
TF
Tg862g Firmware · Arris
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-40039
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-40039
Third Party Advisory
https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039
Product
https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.png
Product
https://i.ebayimg.com/images/g/4P0AAOSwdhxkrZtt/s-l1600.jpg