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CVE-2025-11832· NVD / CVE Program· CNA azure-access

APIs Lack Rate Limiting

Allocation of Resources Without Limits or Throttling vulnerability in Azure Access Technology BLU-IC2, Azure Access Technology BLU-IC4 allows Flooding.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

CriticalCVSS 10.0 · v4.0—Proof of concept No fix recorded
Published
Oct 15, 2025
Updated
Jun 17, 2026
EPSS
0.4% · 28th percentile
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Action score

40

Plan

Add it to your regular patch cycle.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · azure-access
10.0
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
azure-accessblu-ic2 firmware
azure-accessblu-ic2
azure-accessblu-ic4 firmware
azure-accessblu-ic4

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • azure-access blu-ic2 firmwarebefore 1.20
  • azure-access blu-ic4 firmwarebefore 1.20

Versions reported by the vendor

Affected version ranges reported by the assigning authority (azure-access). Independent of NVD's CPE analysis and usually ahead of it.

  • Azure Access Technology BLU-IC2

    • 1.0 and later · up to and including 1.19.5affected · semver

  • Azure Access Technology BLU-IC4

    • 1.0 and later · up to and including 1.19.5affected · semver

Same product

azure-access: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-12601Denial of Service Due to SlowLoris
    40Plan
  • CVE-2025-12600Web UI Malfunction when setting unexpected locale via API.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
    40Plan
  • CVE-2025-12599Multiple Devices are Sharing the Same Secrets for SDKSocket (TCP/5000)
    40Plan
  • CVE-2025-12553Server Certificate Verification Disabled
    40Plan
  • CVE-2025-12516Lack of Graceful Error Handling - HTTP 5xx Error
    40Plan
  • CVE-2025-12479Systemic Lack of Cross-Site Request Forgery (CSRF) Token Implementation
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Proof-of-concept repository on GitHubstars:02026-04-19

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+185 d
  3. TodaySep 29, 2026+349 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
X

Weakness class (CWE)

CWE-770 · Allocation of Resources Without Limits or Throttling

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records