How severe is CVE-2025-12478?

CVE-2025-12478 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-2025-12478 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12478?

CVE-2025-12478 primarily affects Azure-access Blu-ic2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-12478?

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-2025-12478 have an EU (EUVD) identifier?

Yes. CVE-2025-12478 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36679.

When was CVE-2025-12478 published?

CVE-2025-12478 was published on 2025-10-29 and last updated on 2026-06-17.

CVE-2025-12478

CVE-2025-12478 is a critical-severity vulnerability in Azure-access Blu-ic2 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-326.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 10.0
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-36679
Weakness: CWE-326
Affected product: Azure-access Blu-ic2 Firmware
Published: 2025-10-29
Last modified: 2026-06-17

Description

Non-Compliant TLS Configuration.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .

Frequently asked questions

What is CVE-2025-12478?: Non-Compliant TLS Configuration.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .
How severe is CVE-2025-12478?: CVE-2025-12478 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-2025-12478 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12478?: CVE-2025-12478 primarily affects Azure-access Blu-ic2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-12478?: 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-2025-12478 have an EU (EUVD) identifier?: Yes. CVE-2025-12478 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36679.
When was CVE-2025-12478 published?: CVE-2025-12478 was published on 2025-10-29 and last updated on 2026-06-17.

References

https://azure-access.com/security-advisories

Affected products (2)

cpe:2.3:o:azure-access:blu-ic2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:azure-access:blu-ic4_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Azure-access Blu-ic2 Firmware

CVE-2025-12603 — Critical (CVSS 9.8): /etc/timezone can be Arbitrarily Written.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
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Other CWE-326 (Inadequate Encryption Strength) vulnerabilities

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CVE-2020-6966 — Critical (CVSS 10.0): In ApexPro Telemetry Server Versions 4.2 and prior, CARESCAPE Telemetry Server v4.2 & prior, Clinical Information…
CVE-2014-9199 — Critical (CVSS 10.0): The Clorius Controls Java web client before 01.00.0009g allows remote attackers to discover credentials by sniffing the…
CVE-2018-25272 — Critical (CVSS 9.8): ELBA5 5.8.0 contains a remote code execution vulnerability that allows attackers to obtain database credentials and…
CVE-2022-24116 — Critical (CVSS 9.8): Certain General Electric Renewable Energy products have inadequate encryption strength. This affects iNET and iNET II…
CVE-2022-3273 — Critical (CVSS 9.8): Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0a4.

Browse all CWE-326 (Inadequate Encryption Strength) vulnerabilities →