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Fencer Vulns
critical 9.8

CVE-2024-24963 json

A stack-based buffer overflow vulnerability exists in the Programming Software Connection FileSelect functionality of AutomationDirect P3-5…

published 2024-05-28 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-22326

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

A stack-based buffer overflow vulnerability exists in the Programming Software Connection FileSelect functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to stack-based buffer overflow. An attacker can send an unauthenticated packet to trigger this vulnerability.This CVE tracks the stack-based buffer overflow that occurs at offset `0xb6e84` of v1.2.10.9 of the P3-550E firmware.

Vendor advisories

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

cisa ICSA-24-144-01 updated cvss 9.8

AutomationDirect Productivity PLCs

  • AutomationDirect Productivity 1000 P1-540 CPU FW_1.2.10.10, SW_4.1.1.10 AutomationDirect Productivity 1000 P1-550 CPU FW_1.2.10.10, SW_4.1.1.10 AutomationDirect Productivity 2000 P2-550 CPU FW_1.2.10.10, SW_4.1.1.10 AutomationDirect Productivity 3000 P3-530 CPU FW_1.2.10.9, SW_4.1.1.10 AutomationDirect Productivity 3000 P3-550 CPU FW_1.2.10.9, SW_4.1.1.10 AutomationDirect Productivity 3000 P3-550E CPU FW_1.2.10.9, SW_4.1.1.10
    affected: mitigation “AutomationDirect recommends that users:” 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
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2024-1939 referenced PoC, tagged "exploit" by a source, unverified
  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1939 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • AutomationDirect P3-550E
  • automationdirect p3-550e_firmware

Classification

Weakness

References

Sources

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.