CVE-2022-46637: PROLINK2U PRS1841 Firmware

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Prolink router PRS1841 was discovered to contain hardcoded credentials for its Telnet and FTP services.

Affected products

• PROLINK2U PRS1841 Firmware: version u_v2 only

Published 2023-02-21. Last modified 2026-06-17.