{"cve":"CVE-2023-40039","nvd":{"published":"2023-09-11T07:15:08.123","modified":"2026-06-17T06:15:53.223","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-284"],"references":["https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039","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-2023-40039","https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.png"],"products":["arris:tg1672g_firmware","arris:tg852g_firmware","arris:tg862g_firmware"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-40039","score":0.01207,"percentile":0.68366,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}