VulnerabilityModified
CVE-2023-40039
A remote attacker (in proximity to a Wi-Fi network) can derive the default WPA2-PSK value by observing a beacon frame.
CRITICAL 9.8EPSS 1.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.21% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- arris/tg852g firmware · arris/tg862g firmware · arris/tg1672g firmware
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.