Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-3918

31
FAUCET Score

CVE-2019-3918 describes a critical vulnerability in Alcatel Lucent I-240W-Q GPON ONT devices running firmware version 3FE54567BOZJ19, stemming from multiple hardcoded credentials for Telnet and SSH interfaces. With a CVSS score of 9.8 (Critical), this vulnerability allows unauthenticated remote attackers to gain full control over affected devices with high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the presence of hardcoded credentials presents a significant security risk.

Impacted Technologies

VendorProductVersion(s)CPE
3fe54567bozj19CPE matchmatch criteria
cpe:2.3:o:nokia:i-240w-q_gpon_ont_firmware:3fe54567bozj19:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 67th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

dogukanurkervendor investigatingvia llm_extracted
posthogvendor investigatingvia llm_extracted
qlikvendor investigatingvia llm_extracted

Vendor Advisories (3)

dogukanurkerllm-dogukanurker-b90f91dbdeda08ffCRITICAL

Nokia GPON ONT Multiple Vulnerabilities

Feb 27, 2019
qlikllm-qlik-b5798ebfcd828cacCRITICAL

Nokia GPON ONT Multiple Vulnerabilities

Feb 27, 2019
posthogllm-posthog-fa3cf2df1b08673cCRITICAL

Nokia GPON ONT Multiple Vulnerabilities

Feb 27, 2019

References

tenable.com / security/research/tra-2019-09
ExploitThird Party Advisory