The vulnerabilities of the microprogramming software used in Huawei USG6330 and USG9500 allow for the tampering with system files using specially crafted update files.

The vulnerability of the microprogrammed network interface card software in Huawei USG6330 and USG9500 lies in the lack of integrity checks. Exploiting this vulnerability can allow a malicious actor to compromise the integrity of system files using specially crafted update files...