What’s Vulnerable › Vulnerabilities

CVE-2019-3921

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 17.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-05 · updated 2026-06-17
• Weakness: CWE-121

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 /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.

Affected products

• Tenable Alcatel Lucent I-240W-Q GPON ONT: 3fe54567bozj19

References

• https://www.exploit-db.com/exploits/46469/
• https://www.tenable.com/security/research/tra-2019-09
• https://www.exploit-db.com/exploits/46469/
• https://www.tenable.com/security/research/tra-2019-09

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