What’s Vulnerable › Vulnerabilities

CVE-2024-21785

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-05-28 · updated 2026-06-17
• Weakness: CWE-489

Description

A leftover debug code vulnerability exists in the Telnet Diagnostic Interface functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted series of network requests can lead to unauthorized access. An attacker can send a sequence of requests to trigger this vulnerability.

Affected products

• AutomationDirect P1-540 Firmware: 1.2.10.10, 4.1.1.10
• AutomationDirect P1-550 Firmware: 1.2.10.10, 4.1.1.10
• AutomationDirect P2-550 Firmware: 1.2.10.10, 4.1.1.10
• AutomationDirect P3-530 Firmware: 1.2.10.9, 4.1.1.10
• AutomationDirect P3-550 Firmware: 1.2.10.9, 4.1.1.10
• AutomationDirect P3-550E: 1.2.10.9, 4.1.1.10

References

• https://community.automationdirect.com/s/internal-database-security-advisory/a4GPE0000003yaj2AA/sa00038
• https://talosintelligence.com/vulnerability_reports/TALOS-2024-1942
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1942
• https://community.automationdirect.com/s/internal-database-security-advisory/a4GPE0000003yaj2AA/sa00038
• https://talosintelligence.com/vulnerability_reports/TALOS-2024-1942
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1942

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