Missing authentication in Tenable Alcatel Lucent I-240W-Q GPON ONT
Priority LOW 37CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 allows a remote, unauthenticated attacker to enable telnetd on the router via a crafted HTTP request.
Why it matters now
EPSS 0.02353 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenable | Alcatel Lucent I-240W-Q GPON ONT | Firmware version 3FE54567BOZJ19 | — | No fix listed | CNA |
- Alcatel Lucent I-240W-Q GPON ONT VendorTenable Affected Firmware version 3FE54567BOZJ19 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-3917
- 2026-10-03 Alias added: GHSA-73qj-jvv4-77jq
References
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Sources
- CVE-2019-3917 · CVE Program
- CVE-2019-3917 · NVD
- FIRST EPSS
- GHSA-73qj-jvv4-77jq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences