https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2021-27452.htmlhttps://patchthecve.com/cve/CVE-2021-27452.htmlWed, 17 Jun 2026 03:44:53 +0000HIGH 7.8: The software contains a hard-coded password that could allow an attacker to take control of the merging unit using these hard-coded credentials on the MU320E (all firmware versions prior to v04A00.1).https://patchthecve.com/cve/CVE-2021-27450.htmlhttps://patchthecve.com/cve/CVE-2021-27450.htmlWed, 17 Jun 2026 03:44:53 +0000HIGH 7.8: SSH server configuration file does not implement some best practices. This could lead to a weakening of the SSH protocol strength, which could lead to additional misconfiguration or be leveraged as part of a larger attack on the MU320E (all firmware versions prior to v04A00.1).https://patchthecve.com/cve/CVE-2021-27448.htmlhttps://patchthecve.com/cve/CVE-2021-27448.htmlWed, 17 Jun 2026 03:44:52 +0000HIGH 7.8: A miscommunication in the file system allows adversaries with access to the MU320E to escalate privileges on the MU320E (all firmware versions prior to v04A00.1).