CVE-2025-11192: A vulnerability in Extreme Networks’ Fabric Engine (VOSS) before 9.3 was discovered

Q: How do I fix CVE-2025-11192?

fabric engine \(voss\): upgrade to 9.3. Exact commands for each OS are on this page.

Q: Is CVE-2025-11192 being exploited?

CVE-2025-11192 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-2025-11192 affect?

CVE-2025-11192 affects fabric engine \(voss\). Severity is high (CVSS 8.6). A vulnerability in Extreme Networks’ Fabric Engine (VOSS) before 9.3 was discovered. When SD-WAN AutoSense is enabled on a port, it may automatically configure fabric connectivity without validating ISIS authentication settings. The SD-WAN

Q: How urgent is CVE-2025-11192?

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

This month

HIGH 8.6REMOTEUPGRADE

CVE-2025-11192 is a high-severity flaw (CVSS 8.6) affecting fabric engine \(voss\). Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in Extreme Networks’ Fabric Engine (VOSS) before 9.3 was discovered. When SD-WAN AutoSense is enabled on a port, it may automatically configure fabric connectivity without validating ISIS authentication settings. The SD-WAN AutoSense implementation may be exploited by malicious actors by allowing unauthorized access to network fabric and configuration data.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-287
Published	2025-10-07
Last modified	2026-10-08

Publisher (CNA): ExtremeNetworks · Vendor: extremenetworks

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-07 19:15 UTCPublished CVE record published
2026-10-08 22:10 UTCUpdated Record last modified

extremenetworks fabric engine \(voss\) UPGRADE

Affected: < 9.3

Fixed in: 9.3

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-2025-11192?

fabric engine \(voss\): upgrade to 9.3. Exact commands for each OS are on this page.

Is CVE-2025-11192 being exploited?

CVE-2025-11192 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-2025-11192 affect?

CVE-2025-11192 affects fabric engine \(voss\). Severity is high (CVSS 8.6). A vulnerability in Extreme Networks’ Fabric Engine (VOSS) before 9.3 was discovered. When SD-WAN AutoSense is enabled on a port, it may automatically configure fabric connectivity without validating ISIS authentication settings. The SD-WAN

How urgent is CVE-2025-11192?

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

References

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