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CVE-2025-45987

28
FAUCET Score

CVE-2025-45987 is a critical command injection vulnerability affecting multiple Blink router models, specifically within the dns1 and dns2 parameters of the bs_SetDNSInfo function. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity, allowing unauthenticated attackers to achieve complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high severity and ease of exploitation warrant immediate attention for affected devices.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.9CPE matchmatch criteria
cpe:2.3:o:b-link:bl-wr9000_firmware:2.4.9:*:*:*:*:*:*:*
1.0.4CPE matchmatch criteria
cpe:2.3:o:b-link:bl-ac2100_az3_firmware:1.0.4:*:*:*:*:*:*:*
1.2.3CPE matchmatch criteria
cpe:2.3:o:b-link:bl-lte300_firmware:1.2.3:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:o:b-link:bl-f1200_at1_firmware:1.0.0:*:*:*:*:*:*:*
1.2.8CPE matchmatch criteria
cpe:2.3:o:b-link:bl-x26_ac8_firmware:1.2.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.27%
Probability of exploitation in next 30 days
EPSS Percentile
81.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0226 is in the 71st percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_dns1%20Unauthorized%20command%20injection/The%20LB-LINK_dns1%20command%20is%20used%20to%20inject%20the%20information.md
Exploit