CVE-2023-40039 Weak cryptography in n/a
Remote attackers near Wi-Fi networks can derive default WPA2-PSK keys from beacon frames, bypassing wireless security on ARRIS gateways.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-40039?
CVE-2023-40039 is a critical vulnerability in n/a, published on 11 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-284
Which versions are affected by CVE-2023-40039?
It affects 3 products.
Products include Arris Tg1672g Firmware, Arris Tg852g Firmware, Arris Tg862g Firmware.
How do I fix CVE-2023-40039?
No fix has been published for CVE-2023-40039 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-40039 being exploited?
There is no known exploitation of CVE-2023-40039 in the wild and no public exploit code.
Sources
Also known as GHSA-8758-wxjc-xqrh.