Buffer Overflow in dactetra in Delta Controls enteliBUS Manager V3.40_B-571848 allows remote unauthenticated users to execute arbitrary cod…

published 2019-08-26 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18940

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.8%; EPSS 4.8% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

Buffer Overflow in dactetra in Delta Controls enteliBUS Manager V3.40_B-571848 allows remote unauthenticated users to execute arbitrary code and possibly cause a denial of service via unspecified vectors.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-239-01 updated 2019-08-27 cvss 9.8

Delta Controls enteliBUS Controllers

Delta Controls enteliBUS Controller (eBCON) firmware <= 3.40 R5 build 571848 Delta Controls enteliBUS Manager firmware <= 3.40 R5 build 571848 Delta Controls enteliBUS Manager Touch (eBMGR-TCH) firmware <= 3.40 R5 build 571848
affected: mitigation “Do not leave building controllers exposed to the Internet” us-cert.gov

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

4.78% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

securingtomorrow.mcafee.com https://securingtomorrow.mcafee.com/other-blogs/mcafee-labs/hvacking-understanding-the-delta-between-security-and-reality/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-787 Out-of-bounds Write

References

securingtomorrow.mcafee.com /other-blogs/mcafee-labs/hvacking-understanding-the-delta-between-security-and-reality/
exploit, third-party-advisory
deltacontrols.com /products/hvac-controls/central-plant-controllers/entelibus
product

Sources

CVE List CVE-2019-9569
NVD CVE-2019-9569

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary