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...

CVE-2025-6733: Buffer Copy without Checking Size of Input

A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been declared as critical. This vulnerability affects the function sub416928 of the file /goform/formConfigDnsFilterGlobal of the component API. The manipulation of the argument GroupName leads to buffer overflow. The attack c...