A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been classified as critical. Affected is the function sub_4238E8. The manipulation of the argument host leads to buffer overflow.

This vulnerability is traded as CVE-2025-4120. It is possible to launch the attack remotely. There is no exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.