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CVE-2019-9569

32
FAUCET Score

CVE-2019-9569 is a critical buffer overflow vulnerability in the dactetra component of Delta Controls enteliBUS Manager V3.40_B-571848, impacting Delta Controls enteliBUS and its firmware. This flaw allows remote, unauthenticated attackers to execute arbitrary code and potentially cause a denial of service. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog and lacking public exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community attention and media coverage, indicating awareness of its potential.

Impacted Technologies

VendorProductVersion(s)CPE
3.40_b-571848CPE matchmatch criteria
cpe:2.3:o:deltacontrols:entelibus_firmware:3.40_b-571848:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
4.74%
Probability of exploitation in next 30 days
EPSS Percentile
90.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0474 is in the 85th percentile among its peer group of 36,862 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

Remediation records are not available for this CVE.

References

securingtomorrow.mcafee.com / other-blogs/mcafee-labs/hvacking-understanding-the-delta-between-security-and-reality
ExploitThird Party Advisory
deltacontrols.com / products/hvac-controls/central-plant-controllers/entelibus
Product