How severe is CVE-2025-7564?

CVE-2025-7564 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-7564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-7564?

CVE-2025-7564 affects Lb-link Bl-ac3600 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-7564?

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

Does CVE-2025-7564 have an EU (EUVD) identifier?

Yes. CVE-2025-7564 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21303.

When was CVE-2025-7564 published?

CVE-2025-7564 was published on 2025-07-14 and last updated on 2026-06-17.

CVE-2025-7564

CVE-2025-7564 is a high-severity vulnerability in Lb-link Bl-ac3600 Firmware with a CVSS 3.x base score of 7.8. 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-798.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
CVSS v4: 7.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21303
Weakness: CWE-798
Affected product: Lb-link Bl-ac3600 Firmware
Published: 2025-07-14
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in LB-LINK BL-AC3600 1.0.22. Affected by this issue is some unknown functionality of the file /etc/shadow. The manipulation with the input root:blinkadmin leads to hard-coded credentials. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-7564?: A vulnerability, which was classified as critical, has been found in LB-LINK BL-AC3600 1.0.22. Affected by this issue is some unknown functionality of the file /etc/shadow. The manipulation with the input root:blinkadmin leads to hard-coded credentials. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-7564?: CVE-2025-7564 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-7564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-7564?: CVE-2025-7564 affects Lb-link Bl-ac3600 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-7564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-7564 have an EU (EUVD) identifier?: Yes. CVE-2025-7564 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21303.
When was CVE-2025-7564 published?: CVE-2025-7564 was published on 2025-07-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:lb-link:bl-ac3600_firmware:*:*:*:*:*:*:*:*

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