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01 Record

CVE-2019-3921

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to

UnratedPUBLISHEDCNA: tenable
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
17.89% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 96.9% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-03-05 21:00Z7 YR AGO
Last updated
2024-09-17 04:19Z2 YR AGO
Reserved
2019-01-03
Assigning CNA
tenable
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-121Stack-based Buffer OverflowVariant
  • CWE-787Out-of-bounds WriteBase
Data version
5.1
Document digest
f16c2343fa84db28dda4297a272566f8e55d2b74c6e03f376cc19821192e4041

05 Affected products

VendorProductVersionsPlatforms
TenableAlcatel Lucent I-240W-Q GPON ONTFirmware version 3FE54567BOZJ19—

06 References