Buffer overflow in Nokia I-240w-Q Gpon Ont
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 /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.
Vulnerability class: Buffer Overflow
EPSS: 0.179 (96.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Nokia I-240w-q_gpon_ont
- Nokia I-240w-q_gpon_ont_firmware — versions 3fe54567bozj19
- Tenable Alcatel Lucent I-240w-q Gpon Ont — versions Firmware version 3FE54567BOZJ19
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)
- vulnreport@tenable.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
Frequently asked questions
- What is CVE-2019-3921?
- CVE-2019-3921 is a high-severity vulnerability in Nokia I-240w-Q Gpon Ont, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2019-03-05.
- How severe is CVE-2019-3921?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-3921 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.