What’s Vulnerable › Vulnerabilities

CVE-2025-41743: Sprecher Automation: SPRECON-E series prone to weak encryption of update files

• Severity: medium (CVSS 4.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-02 · updated 2026-09-26
• Weakness: CWE-326

Description

Insufficient encryption strength in Sprecher Automation SPRECON-E-C, SPRECON-E-P, and SPRECON-E-T3 allows a local unprivileged attacker to extract data from update images and thus obtain limited information about the architecture and internal processes.

Affected products

• Sprecher-Automation Sprecon-E-C Firmware: before 9.0 — fixed in 9.0
• Sprecher-Automation Sprecon-E-P Firmware: before 9.0 — fixed in 9.0
• Sprecher-Automation Sprecon-E-T3 Firmware: before 9.0 — fixed in 9.0

How to fix

Upgrade to a fixed version: Sprecher-Automation Sprecon-E-C Firmware 9.0; Sprecher-Automation Sprecon-E-P Firmware 9.0; Sprecher-Automation Sprecon-E-T3 Firmware 9.0. Check the vendor advisory for mitigations.

References

• https://www.sprecher-automation.com/fileadmin/itSecurity/PDF/SPR-2511043_de.pdf

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