OPNsense has released a hotfix update, version **25.7.11_1**, addressing a system-level issue related to a **vsprintf() error triggered by a stray % invocation**. This update helps improve overall stability and reliability for users running the 25.7 series.

More details are available in the official announcement:
https://forum.opnsense.org/index.php?topic=50384.msg256815#msg256815