In WODESYS WD-R608U router (also known as WDR122B V2.0 and WDR28) admin password is stored in configuration file as plaintext and can be obtained by unauthorized user by direct references to the resource in question.
The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version WDR28081123OV1.01 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
Exploitability
AV:AAC:LAT:NPR:NUI:NVulnerable System
VC:HVI:NVA:NSubsequent System
SC:NSI:NSA:N7.1/CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NOther