ZKteco ZKBio WDMS before 9.0.2 Build 20250526 allows an attacker to download a database backup via the /files/backup/ component because the filename is based on a predictable timestamp.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.