An issue in ZPE Systems, Inc Nodegrid OS v.5.8.10 thru v.5.8.13 and v.5.10.3 thru v.5.10.5 allows a remote attacker to obtain sensitive information via the TACACS+ server component.
https://psirt.zpesystems.com/portal/en/kb/articles/security-advisory-zpe-ng-2023-002