Fabric Engine (VOSS) AutoSense Authentication Bypass
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
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 it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Extreme Networks | Fabric Engine (VOSS) | 9.2 – <9.2 | — | No fix listed | CNA |
- Fabric Engine (VOSS) VendorExtreme Networks Affected 9.2 – <9.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:extremenetworks:fabric_engine_\(voss\):*:*:*:*:*:*:*:* | before 9.3 | Vulnerable | Extreme Networks |
- cpe:2.3:o:extremenetworks:fabric_engine_\(voss\):*:*:*:*:*:*:*:* Versions before 9.3 Vulnerable ·Extreme Networks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11192
- 2026-10-03 Alias added: GHSA-h5c2-mv2m-wmgj
References
Sources
- CVE-2025-11192 · CVE Program
- CVE-2025-11192 · NVD
- FIRST EPSS
- GHSA-h5c2-mv2m-wmgj · GitHub Advisory Database · CC BY 4.0
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