What’s Vulnerable › Vulnerabilities

CVE-2019-12263

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-09 · updated 2026-06-17
• Weakness: CWE-362

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.

Affected products

• Belden Garrettcom Magnum Dx940E Firmware: through 1.0.1_y7
• Belden Hirschmann HiOS: through 07.0.07; through 07.5.01; through 07.2.04; through 05.3.06
• E-Series SANtricity OS Controller Software 11.x: from 8.00 through 8.40.50.00
• Siemens Power Meter 9410 Firmware: before 2.2.1 — fixed in 2.2.1
• Siemens Power Meter 9810 Firmware: all versions
• Siemens Ruggedcom Win7000 Firmware: before bs5.2.461.17 — fixed in bs5.2.461.17
• Siemens Ruggedcom Win7018 Firmware: before bs5.2.461.17 — fixed in bs5.2.461.17
• Siemens Ruggedcom Win7025 Firmware: before bs5.2.461.17 — fixed in bs5.2.461.17
• Siemens Ruggedcom Win7200 Firmware: before bs5.2.461.17 — fixed in bs5.2.461.17
• Siemens Siprotec 5 Firmware: before 7.59; before 7.91 — fixed in 7.59, 7.91
• SonicWall SonicOS: from 5.9.0.0 through 5.9.0.7; from 5.9.1.0. through 5.9.1.12; from 6.2.0.0 through 6.2.3.1; from 6.2.4.0 through 6.2.4.3; from 6.2.5.0 through 6.2.5.3; from 6.2.6.0 through 6.2.6.1
• Windriver Vxworks: from 6.5 before 6.9.4.12; 7.0 — fixed in 6.9.4.12

How to fix

Upgrade to a fixed version: Siemens Power Meter 9410 Firmware 2.2.1; 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, 7.91; Windriver Vxworks 6.9.4.12. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
• https://security.netapp.com/advisory/ntap-20190802-0001/
• https://support.f5.com/csp/article/K41190253
• https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12263
• https://support2.windriver.com/index.php?page=security-notices
• https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/
• https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf

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