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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-3450

33
FAUCET Score

CVE-2025-3450 is a critical Improper Resource Locking vulnerability affecting B&R Automation Runtime versions before 6.3 and Q4.93. This flaw allows an unauthenticated, network-based attacker to delete data, leading to denial of service conditions. With a CVSS score of 10.0, it poses a severe risk due to its low attack complexity and high impact on integrity and availability. There is currently no public exploit code available, and it is not known to be actively exploited, though it has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.0, < 6.3CPE match
cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

9.3CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
HIGH
SS Availability
HIGH
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 1st percentile among its peer group of 36,835 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

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

br-automation.com / fileadmin/SA25P002-f6a69e61.pdf