CVE-2022-40622 WAVLINK Quantum D4G (WN531G3) Session Management by IP Address
Attackers can hijack administrator sessions by spoofing IP addresses or sharing a NAT, leading to unauthorized access on WAVLINK routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-40622?
CVE-2022-40622 is a high-severity authentication bypass vulnerability in WAVLINK WN531G3, published on 13 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The WAVLINK Quantum D4G (WN531G3) running firmware version M31G3.V5030.200325 uses IP addresses to hold sessions and does not not use session tokens. Therefore, if an attacker changes their IP address to match the logged-in administrator's, or is behind the same NAT as the logged in administrator, session takeover is possible.
Which versions are affected by CVE-2022-40622?
It affects 1 product.
Products include Wavlink Wn531g3 Firmware.
How do I fix CVE-2022-40622?
No fix has been published for CVE-2022-40622 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-40622 being exploited?
There is no known exploitation of CVE-2022-40622 in the wild and no public exploit code.
Other vulnerabilities in WAVLINK WN531G3
Sources
Also known as GHSA-5gr3-r9jq-3qcj.