CVE-2019-3921 EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 17.9% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 17.89% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-121 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-03-05 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| nokia | i-240w-q gpon ont |
| nokia | i-240w-q gpon ont firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow | 2019-02-28 |
References
→ the Explorer · watch your stack · NVD