An issue was discovered in Peplink Balance Two before 8.4.0. A missing authorization check in captive portals allows attackers to modify the portals' configurations without prior authentication.
https://www.synacktiv.com/sites/default/files/2023-12/synacktiv-peplink-multiple-vulnerabilities.pdf
https://www.synacktiv.com/publications%253Ffield_tags_target_id%253D4