CVE-2023-43757 Weak cryptography in LAN-W300N/P
An attacker can guess weak wireless encryption keys to intercept network traffic on affected ELECOM and LOGITEC 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-2023-43757?
CVE-2023-43757 is a medium-severity vulnerability in ELECOM CO.,LTD. LAN-W300N/P, published on 16 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent unauthenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.
Weakness: CWE-326
Which versions are affected by CVE-2023-43757?
It affects 34 products.
Products include Elecom Lan-W300n\/P Firmware, Elecom Lan-W300n\/Rs Firmware, Elecom Lan-W301nr Firmware, Elecom Lan-Wh300n\/Dgp Firmware, Elecom Lan-Wh300ndgpe Firmware, Elecom Wrc-1167ghbk2 Firmware and 28 more.
How do I fix CVE-2023-43757?
No fix has been published for CVE-2023-43757 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-43757 being exploited?
There is no known exploitation of CVE-2023-43757 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-hjvf-vwpv-9g29.