CVE-2019-3921: nokia i-240w-q_gpon_ont_firmware Stack-based Buffer Overflow
Vulnerability summary
CVE-2019-3921 is a high (CVSS 8.8) Stack-based Buffer Overflow vulnerability in nokia i-240w-q_gpon_ont_firmware. EPSS estimates a 17.89% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 05-03-2019PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
17.89%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 17.89% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (tenable.com)
Maturity: unknown
Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow
Maturity: poc
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Nokia1 product
- i-240w-q_gpon_ont_firmware3fe54567bozj19
Tenable1 product
- alcatel lucent i-240w-q gpon ontFirmware version 3FE54567BOZJ19
2 vendors · 2 products