CVE-2019-3922
9.8
CRITICAL · CVSS 3.1 · EPSS 5.2% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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, unauthenticated attacker to /GponForm/fsetup_Form. An attacker can leverage this vulnerability to potentially execute arbitrary code.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.24% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-121 |
| On CISA KEV | no |
| Public exploit | none known |
| 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 |
References
→ the Explorer · watch your stack · NVD