What’s Vulnerable › Vulnerabilities

CVE-2024-11609: AutomationDirect C-More EA9 EAP9 File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-30 · updated 2026-06-17
• Weakness: CWE-121

Description

AutomationDirect C-More EA9 EAP9 File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of AutomationDirect C-More EA9. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of EAP9 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24772.

Affected products

• AutomationDirect C-More Ea9-Rhmi Firmware: through 6.78
• AutomationDirect C-More Ea9-T10Cl Firmware: through 6.78
• AutomationDirect C-More Ea9-T10Wcl Firmware: through 6.78
• AutomationDirect C-More Ea9-T12Cl Firmware: through 6.78
• AutomationDirect C-More Ea9-T15Cl-R Firmware: through 6.78
• AutomationDirect C-More Ea9-T15Cl Firmware: through 6.78
• AutomationDirect C-More Ea9-T6Cl-R Firmware: through 6.78
• AutomationDirect C-More Ea9-T6Cl Firmware: through 6.78
• AutomationDirect C-More Ea9-T8Cl Firmware: through 6.78

References

• https://certvde.com/en/bulletins/bulletins/2182-automationdirect-c-more-ea9-programming-software/
• https://www.zerodayinitiative.com/advisories/ZDI-24-1673/

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