CVE-2025-6559: Sapido BR071N

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Multiple wireless router models from Sapido have an OS Command Injection vulnerability, allowing unauthenticated remote attackers to inject arbitrary OS commands and execute them on the server. The affected models are out of support; replacing the device is recommended.

Affected products

• Sapido BR071N: version 0 only
• Sapido BR261C: version 0 only
• Sapido BR270N: version 0 only
• Sapido BR476N: version 0 only
• Sapido BRC70N: version 0 only
• Sapido BRC70X: version 0 only
• Sapido BRC76N: version 0 only
• Sapido BRD70N: version 0 only
• Sapido BRE70N: version 0 only
• Sapido BRE71N: version 0 only
• Sapido BRF61C: version 0 only
• Sapido BRF71N: version 0 only

Published 2025-06-24. Last modified 2026-06-17.