CVE-2025-45987 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
B-Link	Bl-Wr9000 Firmware	2.4.9
B-Link	Bl-Wr9000	-
B-Link	Bl-Ac2100 Az3 Firmware	1.0.4
B-Link	Bl-Ac2100 Az3	-
B-Link	Bl-Lte300 Firmware	1.2.3
B-Link	Bl-Lte300	-
B-Link	Bl-F1200 At1 Firmware	1.0.0
B-Link	Bl-F1200 At1	-
B-Link	Bl-X26 Ac8 Firmware	1.2.8
B-Link	Bl-X26 Ac8	-
B-Link	Blac450M Ae4 Firmware	4.0.0
B-Link	Blac450M Ae4	-
B-Link	Bl-X26 Da3 Firmware	1.2.7
B-Link	Bl-X26 Da3	-

Related Weaknesses (CWE)

CWE-77

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_dns1%20UnauExploit

FAQ

What is CVE-2025-45987?

CVE-2025-45987 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 contai...

How severe is CVE-2025-45987?

CVE-2025-45987 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-45987?

Check the references section above for vendor advisories and patch information. Affected products include: B-Link Bl-Wr9000 Firmware, B-Link Bl-Wr9000, B-Link Bl-Ac2100 Az3 Firmware, B-Link Bl-Ac2100 Az3, B-Link Bl-Lte300 Firmware.