CVE-2025-63080: Kaon PG5298A

High severity, CVSS 8.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Firmware in KAON PG5298A and PG5298B routers allow an authenticated user to send crafted JSON-RPC requests and perform operations not possible via GUI, e.g. system file read or command execution.    This vulnerability has been fixed in firmware version: 3.0.82 for PG5298A and 4.0.82 for PG5298B.

Affected products

• Kaon PG5298A: before 3.0.82 (fixed in 3.0.82)
• Kaon PG5298B: before 4.0.82 (fixed in 4.0.82)

Published 2026-08-24. Last modified 2026-10-07.