Exploitation Summary
CVE-2019-12263 has been observed exploited in the wild (reported by VulnCheck KEV).
Description
Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security vulnerability: TCP Urgent Pointer state confusion due to race condition.
References (9)
Core 9
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://support2.windriver.com/index.php?page=security-notices
Third Party Advisory x_refsource_confirm
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190802-0001/
Vendor Advisory x_refsource_confirm
https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/
Vendor Advisory x_refsource_confirm
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12263
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K41190253
Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
Scores
CVSS v3
8.1
EPSS
0.0056
EPSS Percentile
68.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
VulnCheck KEV
2025-06-10
CWE
CWE-362
CWE-787
Status
published
Products (17)
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
< 7.59
... and 7 more
Published
Aug 09, 2019
Tracked Since
Feb 18, 2026