CVE-2025-45987: B-Link Bl-AC2100 AZ3 Firmware

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300 v1.2.3, BL-F1200_AT1 v1.0.0, BL-X26_AC8 v1.2.8, BLAC450M_AE4 v4.0.0 and BL-X26_DA3 v1.2.7 were discovered to contain multiple command injection vulnerabilities via the dns1 and dns2 parameters in the bs_SetDNSInfo function.

Affected products

• B-Link Bl-AC2100 AZ3 Firmware: version 1.0.4 only
• B-Link Bl-f1200 AT1 Firmware: version 1.0.0 only
• B-Link Bl-LTE300 Firmware: version 1.2.3 only
• B-Link Bl-WR9000 Firmware: version 2.4.9 only
• B-Link Bl-x26 AC8 Firmware: version 1.2.8 only
• B-Link Bl-x26 DA3 Firmware: version 1.2.7 only
• B-Link BLAC450M AE4 Firmware: version 4.0.0 only

Published 2025-06-13. Last modified 2026-06-17.