Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies (Logical Flaw).
Conclusion & alert: CVE-2019-12262 is rated Moderate Risk (50/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.12%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-31 | 0.16% | 0.12% | -0.04% |
| 2 | 2025-11-04 | 0.31% | 0.16% | -0.15% |
| 3 | 2025-09-18 | — | 0.31% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| windriver | vxworks | 6.6 | cpe:2.3:o:windriver:vxworks:6.6:*:*:*:*:*:*:* |
| windriver | vxworks | 6.7 | cpe:2.3:o:windriver:vxworks:6.7:*:*:*:*:*:*:* |
| windriver | vxworks | 6.8 | cpe:2.3:o:windriver:vxworks:6.8:*:*:*:*:*:*:* |
| windriver | vxworks | 6.9 | cpe:2.3:o:windriver:vxworks:6.9:*:*:*:*:*:*:* |
| windriver | vxworks | 7.0 | cpe:2.3:o:windriver:vxworks:7.0:*:*:*:*:*:*:* |
| belden | hirschmann_hios | <= 07.0.07 | cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:* |
| belden | hirschmann_hios | <= 07.5.01 | cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:* |
| belden | hirschmann_hios | <= 07.2.04 | cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:* |
| belden | hirschmann_hios | <= 05.3.06 | cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:* |
| belden | garrettcom_magnum_dx940e_firmware | <= 1.0.1_y7 | cpe:2.3:o:belden:garrettcom_magnum_dx940e_firmware:*:*:*:*:*:*:*:* |
| siemens | ruggedcom_win7000_firmware | < bs5.2.461.17 | cpe:2.3:o:siemens:ruggedcom_win7000_firmware:*:*:*:*:*:*:*:* |
| siemens | ruggedcom_win7018_firmware | < bs5.2.461.17 | cpe:2.3:o:siemens:ruggedcom_win7018_firmware:*:*:*:*:*:*:*:* |
| siemens | ruggedcom_win7025_firmware | < bs5.2.461.17 | cpe:2.3:o:siemens:ruggedcom_win7025_firmware:*:*:*:*:*:*:*:* |
| siemens | ruggedcom_win7200_firmware | < bs5.2.461.17 | cpe:2.3:o:siemens:ruggedcom_win7200_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf | Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf | Third Party Advisory |
| https://support.f5.com/csp/article/K41190253 | Third Party Advisory |
| https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12262 | Vendor Advisory |