CVE-2023-40039
CRITICALCVSS 9.8/10EPSS 0.88%
Last modified
CVE-2023-40039 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arris | Tg852g Firmware | All versions |
| Arris | Tg862g Firmware | All versions |
| Arris | Tg1672g Firmware | All versions |
References
- https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039Third Party Advisory
- https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-40039?
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 a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.
How do I fix CVE-2023-40039?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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Are you affected by CVE-2023-40039?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST