The vulnerability of the sub_416928() function (/goform/formConfigDnsFilterGlobal) in the UTT HiPER 840G router software allows a attacker to cause a service failure.

The vulnerability of the sub416928 function /goform/formConfigDnsFilterGlobal of the UTT HiPER 840G router’s software lies in the fact that the operation results are stored outside of the buffer in memory. Exploiting this vulnerability could allow a malicious actor to cause service failures...

UTT HiPER 840G 安全漏洞

The UTT HiPER 840G is a full Gigabit Internet behavior management router from Atech UTT, which is aimed at small businesses, community networks, hotels, and other scenarios, providing high-speed network access and intelligent management features. The UTT HiPER 840G suffers from a buffer overflow...

UTT HiPER 840G Buffer Overflow Vulnerability (CNVD-2026-00816)

The UTT HiPER 840G is a full Gigabit Internet behavior management router from Atech UTT, which is aimed at small businesses, community networks, hotels, and other scenarios, providing high-speed network access and intelligent management features. The UTT HiPER 840G suffers from a buffer overflow...

UTT HiPER 840G 安全漏洞

The UTT HiPER 840G is a full Gigabit Internet behavior management router from Atech UTT, which is aimed at small businesses, community networks, hotels, and other scenarios, providing high-speed network access and intelligent management features. The UTT HiPER 840G suffers from a buffer overflow...

UTT HiPER 840G Buffer Overflow Vulnerability (CNVD-2026-00818)

The UTT HiPER 840G is a full Gigabit Internet behavior management router from Atech UTT, which is aimed at small businesses, community networks, hotels, and other scenarios, providing high-speed network access and intelligent management features. The UTT HiPER 840G suffers from a buffer overflow...