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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.179 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.179 · newest: 0.179 · change: 0.000
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
- www.tenable.com/security/research/tra-2019-09 (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/46469/ (Exploit, VDB Entry, Third Party Advisory, exploit)
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.