CVE-2025-12217: SNMP Default Community String (public).This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Q: How do I fix CVE-2025-12217?

blu-ic2 firmware: upgrade to 1.20; blu-ic4 firmware: upgrade to 1.20. Exact commands for each OS are on this page.

Q: Is CVE-2025-12217 being exploited?

CVE-2025-12217 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-12217 affect?

CVE-2025-12217 affects blu-ic2 firmware, blu-ic4 firmware. Severity is critical (CVSS 9.1). SNMP Default Community String (public).This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Q: How urgent is CVE-2025-12217?

Priority 42/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTEUPGRADEUPGRADE

CVE-2025-12217 is a critical-severity flaw (CVSS 9.1) affecting blu-ic2 firmware, blu-ic4 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SNMP Default Community String (public).This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-1392
Published	2025-10-25
Last modified	2026-10-18

Publisher (CNA): azure-access · Vendor: azure-access

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-25 16:15 UTCPublished CVE record published
2026-10-18 21:10 UTCUpdated Record last modified

azure-access blu-ic2 firmware UPGRADE

Affected: < 1.20

Fixed in: 1.20

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

azure-access blu-ic4 firmware UPGRADE

Affected: < 1.20

Fixed in: 1.20

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-12217?

blu-ic2 firmware: upgrade to 1.20; blu-ic4 firmware: upgrade to 1.20. Exact commands for each OS are on this page.

Is CVE-2025-12217 being exploited?

CVE-2025-12217 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-12217 affect?

CVE-2025-12217 affects blu-ic2 firmware, blu-ic4 firmware. Severity is critical (CVSS 9.1). SNMP Default Community String (public).This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

How urgent is CVE-2025-12217?

Priority 42/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Azure vulnerabilities

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References

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