VAR-200307-0002

Vulnerability from variot - Updated: 2025-04-03 22:26

SMC Networks Barricade Wireless Cable/DSL Broadband Router SMC7004VWBR allows remote attackers to cause a denial of service via certain packets to PPTP port 1723 on the internal interface. A vulnerability has been discovered in the SMC SMC7004VWBR wireless router. The problem is said to occur while processing a sequence of malformed PPTP packets received via the local interface. Successful exploitation of this vulnerability will result in the router no longer responding to internal wireless traffic. SMC7004VWBR does not correctly process malformed PPTP packets. Remote attackers can use this vulnerability to conduct denial of service attacks on the device and prevent legitimate users from accessing network resources. By default, the router listens on TCP port 1723. The attacker connects to the target network through the 802.11b wireless network interface card and sends a series of malformed PPTP data, which can cause the router to stop responding, and legitimate users cannot access network resources

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