HOMEVULNERABILITIESCVE-2025-12515
CRITICAL

CVE-2025-12515

CWE-394Published: October 30, 2025· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Systemic Internal Server Errors - HTTP 500 ResponseThis issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .

NVD Source

Risk Analysis

This critical vulnerability in BLU-IC2 and BLU-IC4 devices is due to systemic internal server errors, resulting in HTTP 500 responses. With a CVSS score of 9.8, this flaw is highly severe and could allow an unauthenticated attacker to gain full control over the affected system, impacting confidentiality, integrity, and availability. The absence of an EPSS score means the likelihood of exploitation is currently unknown, but the high CVSS score warrants immediate attention.

No public exploit is known for this vulnerability, and it is not listed in CISA's KEV catalog. However, the attack vector is network-based with low attack complexity, indicating it is remotely exploitable without user interaction.

Recommended Action

To mitigate this vulnerability, users of BLU-IC2 and BLU-IC4 devices should update their firmware to versions beyond 1.19.5. Regularly review and apply security updates to all network-connected devices to address known vulnerabilities promptly.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2025-12515 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

azure-access4 product(s)
blu-ic4 firmwareblu-ic4blu-ic2 firmwareblu-ic2
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2025-12515
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-394
CISA KEVNo
Affected1 vendor(s)
PublishedOct 30, 2025

Related CVEs (CWE-394)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2025-12515 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.