CVE-2009-1152

CVE-2009-1152 describes a denial-of-service vulnerability affecting Siemens Gigaset SE461 WiMAX routers, and potentially other versions. An attacker can trigger a device restart and configuration loss by simply connecting to TCP port 53 and then closing the connection. With a CVSS score of 7.3, this vulnerability is considered highly severe, requiring adjacent network access and moderate attack complexity to achieve a complete loss of availability and integrity. While not listed on the CISA KEV catalog, public exploit code exists on ExploitDB, though there is no evidence of active exploitation or significant community discussion.