An Untrusted Pointer Dereference issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. A remote attacker is able to execute code to dereference a pointer within the program causing the application to become unavailable.

An Improper Input Validation issue was discovered in Advantech WebAccess versions prior to 8.3. WebAccess allows some inputs that may cause the program to crash.

Advantech/BroadWin WebAccess before 7.0 allows remote attackers to cause a denial of service (memory corruption) via a modified stream identifier to a function.

Advantech WebAccess/SCADA, Versions 8.3.5 and prior. An improper access control vulnerability may allow an attacker to cause a denial-of-service condition.

Advantech WebAccess/HMI Designer 2.1.9.31 has Exception Handler Chain corruption starting at Unknown Symbol @ 0x0000000000000000 called from ntdll!RtlRaiseStatus+0x00000000000000b4.

Advantech WebAccess/HMI Designer 2.1.9.31 has a User Mode Write AV starting at MSVCR90!memcpy+0x000000000000015c.

The affected product is vulnerable due to missing authentication, which may allow an attacker to read or modify sensitive data and execute arbitrary code, resulting in a denial-of-service condition.

An Untrusted Pointer Dereference issue was discovered in Advantech WebAccess versions prior to 8.3. There are multiple vulnerabilities that may allow an attacker to cause the program to use an invalid memory address, resulting in a program crash.