A vulnerability classified as problematic has been found in TP-Link TL-WR740N. Affected is an unknown function of the component ARP Handler. The manipulation leads to resource consumption. Using CWE to declare the problem leads to CWE-400. The weakness was disclosed 12/06/2022. The advisory is shared for download at youtube.com. This vulnerability is traded as CVE-2022-4296. The attack needs to be done within the local network. There are no technical details available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The current price for an exploit might be approx. USD $0-$5k at the moment. It is declared as proof-of-concept. The exploit is shared for download at youtube.com. As 0-day the estimated underground price was around $0-$5k. It is recommended to apply restrictive firewalling. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
Timeline
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