NanaZip is an open source file archive. Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, circular NextOffset chains cause an infinite loop in the ROMFS archive parser. Version 6.0.1630.0 patches the issue.
Exploitability
AV:LAC:LAT:NPR:LUI:PVulnerable System
VC:NVI:NVA:HSubsequent System
SC:NSI:NSA:N5.1/CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NOther