CVE-2019-12255

CRITICAL EXPLOITED

Wind River VxWorks - Buffer Overflow

Title source: llm

Description

Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow.

Exploits (2)

exploitdb WORKING POC
by Zhou Yu · pythondosvxworks
https://www.exploit-db.com/exploits/47233
nomisec SCANNER 19 stars
by sud0woodo · poc
https://github.com/sud0woodo/Urgent11-Suricata-LUA-scripts

References (11)

Scores

CVSS v3 9.8
EPSS 0.7955
EPSS Percentile 99.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2025-06-10
CWE
CWE-120
Status published
Products (16)
belden/garrettcom_magnum_dx940e_firmware < 1.0.1_y7
belden/hirschmann_hios < 07.0.07
netapp/e-series_santricity_os_controller 8.00 - 8.40.50.00
siemens/power_meter_9410_firmware < 2.2.1
siemens/power_meter_9810_firmware
siemens/ruggedcom_win7000_firmware < bs5.2.461.17
siemens/ruggedcom_win7018_firmware < bs5.2.461.17
siemens/ruggedcom_win7025_firmware < bs5.2.461.17
siemens/ruggedcom_win7200_firmware < bs5.2.461.17
siemens/siprotec_5_firmware
... and 6 more
Published Aug 09, 2019
Tracked Since Feb 18, 2026