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Fencer Intel
medium 4.3

CVE-2024-25137 json

AutomationDirect C-MORE EA9 HMI Stack-based Buffer Overflow

published 2y ago modified 4mo ago also EUVD-2024-22485

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

In AutomationDirect C-MORE EA9 HMI there is a program that copies a buffer of a size controlled by the user into a limited sized buffer on the stack which may lead to a stack overflow. The result of this stack-based buffer overflow can lead to denial-of-service conditions.

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Vendor advisories

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

cisa ICSA-24-086-01 updated cvss 4.3

AutomationDirect C-MORE EA9 HMI

  • AutomationDirect C-MORE EA9 HMI EA9-PGMSW <=6.77 AutomationDirect C-MORE EA9 HMI EA9-RHMI <=6.77 AutomationDirect C-MORE EA9 HMI EA9-T10CL <=6.77 AutomationDirect C-MORE EA9 HMI EA9-T15CL <=6.77 AutomationDirect C-MORE EA9 HMI EA9-T15CL-R <=6.77 AutomationDirect C-MORE EA9 HMI EA0-T7CL-R <=6.77
    +5 more products
    AutomationDirect C-MORE EA9 HMI EA9-T6CL <=6.77 AutomationDirect C-MORE EA9 HMI EA9-T7CL <=6.77 AutomationDirect C-MORE EA9 HMI EA9-T8CL <=6.77 AutomationDirect C-MORE EA9 HMI EA9-T10WCL <=6.77 AutomationDirect C-MORE EA9 HMI EA9-T12CL <=6.77
    affected: mitigation “AutomationDirect recommends that users update C-MORE EA9 HMI to V6.78 or later.” automationdirect.com

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

  • AutomationDirect C-MORE EA9 HMI EA9-T6CL
  • AutomationDirect C-MORE EA9 HMI EA9-T7CL
  • AutomationDirect C-MORE EA9 HMI EA0-T7CL-R
  • AutomationDirect C-MORE EA9 HMI EA9-T8CL
  • AutomationDirect C-MORE EA9 HMI EA9-T10CL
  • AutomationDirect C-MORE EA9 HMI EA9-T10WCL
  • AutomationDirect C-MORE EA9 HMI EA9-T12CL
  • AutomationDirect C-MORE EA9 HMI EA9-T15CL
  • AutomationDirect C-MORE EA9 HMI EA9-T15CL-R
  • AutomationDirect C-MORE EA9 HMI EA9-RHMI
  • AutomationDirect C-MORE EA9 HMI EA9-PGMSW

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Intel 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.