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CVE-2019-12262

31
FAUCET Score

CVE-2019-12262 is a critical incorrect access control vulnerability affecting the RARP client component in Wind River VxWorks versions 6.6 through 7, as well as products from Belden and Siemens utilizing these versions. This logical flaw allows for the handling of unsolicited Reverse ARP replies. With a CVSS score of 9.8 (CRITICAL), it is easily exploitable over the network with low complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation (KEV) or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating high awareness of its potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
6.6CPE matchmatch criteria
cpe:2.3:o:windriver:vxworks:6.6:*:*:*:*:*:*:*
6.7CPE matchmatch criteria
cpe:2.3:o:windriver:vxworks:6.7:*:*:*:*:*:*:*
6.8CPE matchmatch criteria
cpe:2.3:o:windriver:vxworks:6.8:*:*:*:*:*:*:*
6.9CPE matchmatch criteria
cpe:2.3:o:windriver:vxworks:6.9:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:windriver:vxworks:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.12%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0412 is in the 83rd percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

amazonvendor investigatingvia llm_extracted
apollographqlvendor investigatingvia llm_extracted
dfinityvendor investigatingvia llm_extracted
fleetdmvendor investigatingvia llm_extracted
mathworksvendor investigatingvia llm_extracted

Vendor Advisories (5)

fleetdmllm-fleetdm-0f75584f7881cc68CRITICAL

VxWorks security updates in Bosch Rexroth controllers

Aug 8, 2019
amazonllm-amazon-01c9c557159e0eaaCRITICAL

VxWorks security updates in Bosch Rexroth controllers

Aug 8, 2019
apollographqlllm-apollographql-006354509ddb08deCRITICAL

VxWorks security updates in Bosch Rexroth controllers

Aug 8, 2019
dfinityllm-dfinity-d304421499ee3499CRITICAL

VxWorks security updates in Bosch Rexroth controllers

Aug 8, 2019
mathworksllm-mathworks-c05d1a0f3ad97633CRITICAL

VxWorks security updates in Bosch Rexroth controllers

Aug 8, 2019

References

cert-portal.siemens.com / productcert/pdf/ssa-189842.pdf
Third Party Advisory
cert-portal.siemens.com / productcert/pdf/ssa-352504.pdf
Third Party Advisory
support2.windriver.com / index.php
Vendor Advisory
support.f5.com / csp/article/K41190253
Third Party Advisory