How severe is CVE-2025-45987?

CVE-2025-45987 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-45987 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-45987?

CVE-2025-45987 primarily affects B-link Bl-wr9000 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-45987?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-45987 have an EU (EUVD) identifier?

Yes. CVE-2025-45987 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18262.

When was CVE-2025-45987 published?

CVE-2025-45987 was published on 2025-06-13 and last updated on 2026-06-17.

CVE-2025-45987

CVE-2025-45987 is a critical-severity vulnerability in B-link Bl-wr9000 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18262
Weakness: CWE-77
Affected product: B-link Bl-wr9000 Firmware
Published: 2025-06-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-45987?: 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.
How severe is CVE-2025-45987?: CVE-2025-45987 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-45987 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-45987?: CVE-2025-45987 primarily affects B-link Bl-wr9000 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-45987?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-45987 have an EU (EUVD) identifier?: Yes. CVE-2025-45987 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18262.
When was CVE-2025-45987 published?: CVE-2025-45987 was published on 2025-06-13 and last updated on 2026-06-17.

References

https://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

Affected products (7)

cpe:2.3:o:b-link:bl-wr9000_firmware:2.4.9:*:*:*:*:*:*:*
cpe:2.3:o:b-link:bl-ac2100_az3_firmware:1.0.4:*:*:*:*:*:*:*
cpe:2.3:o:b-link:bl-lte300_firmware:1.2.3:*:*:*:*:*:*:*
cpe:2.3:o:b-link:bl-f1200_at1_firmware:1.0.0:*:*:*:*:*:*:*
cpe:2.3:o:b-link:bl-x26_ac8_firmware:1.2.8:*:*:*:*:*:*:*
cpe:2.3:o:b-link:blac450m_ae4_firmware:4.0.0:*:*:*:*:*:*:*
cpe:2.3:o:b-link:bl-x26_da3_firmware:1.2.7:*:*:*:*:*:*:*

More vulnerabilities in B-link Bl-wr9000 Firmware

CVE-2025-45988 — Critical (CVSS 9.8): 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,…
CVE-2025-45986 — Critical (CVSS 9.8): 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,…
CVE-2025-45985 — Critical (CVSS 9.8): 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,…
CVE-2025-45984 — Critical (CVSS 9.8): Blink routers BL-WR9000 V2.4.9, BL-AC1900 V1.0.2, BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 V1.0.5, BL-LTE300 V1.2.3,…

All CVEs affecting B-link Bl-wr9000 Firmware →

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