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Vulnerability record · CVE-2025-41742 · published 2 December 2025

CVE-2025-41742: Sprecher-automation sprecon-e-c firmware vulnerability

Sprecher Automation · Sprecon E C Firmware

Sprecher Automations SPRECON-E-C,  SPRECON-E-P, SPRECON-E-T3 is vulnerable to attack by an unauthorized remote attacker via default cryptographic keys. The use of these keys allows the attacker to read, modify, and write projects and data, or to access any device via remote maintenance.

9.8 CVSS 3.1 Critical EPSS 0.46% · top 62.4% CWE-1394 · CWE-1394
9.8CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
1References
26 Sep 2026Last modified by NVD

Description

Sprecher Automations SPRECON-E-C,  SPRECON-E-P, SPRECON-E-T3 is vulnerable to attack by an unauthorized remote attacker via default cryptographic keys. The use of these keys allows the attacker to read, modify, and write projects and data, or to access any device via remote maintenance.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.sprecher-automation.com/fileadmin/itSecurity/PDF/SPR-2511042_de.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-4333Sprecher-automation sprecon-e-p dq6-1 firmware hard-coded credentials vulnerabilityHardcoded Credentials in multiple SPRECON-E CPU variants of Sprecher Automation allows an remote attacker to take over the device. These accounts sho…EPSS 0.86%9.1CVE-2025-41744Sprecher-automation sprecon-e-c firmware vulnerabilitySprecher Automations SPRECON-E series uses default cryptographic keys that allow an unprivileged remote attacker to access all encrypted communicatio…EPSS 0.41%6.8CVE-2022-4332Sprecher-automation sprecon-e-p dq6-1 firmware improper input validation vulnerabilityIn Sprecher Automation SPRECON-E-C/P/T3 CPU in variant PU244x a vulnerable firmware verification has been identified. Through physical access and har…EPSS 0.34%6.5CVE-2024-6758Sprecher-automation sprecon-e cp-2500 firmware vulnerabilityImproper Privilege Management in Sprecher Automation SPRECON-E below version 8.71j allows a remote attacker with low privileges to save unauthorized …EPSS 0.44%4.0CVE-2025-41743Sprecher-automation sprecon-e-c firmware inadequate encryption strength vulnerabilityInsufficient encryption strength in Sprecher Automation SPRECON-E-C, SPRECON-E-P, and SPRECON-E-T3 allows a local unprivileged attacker to extract da…EPSS 0.07%

Source: NIST National Vulnerability Database (record CVE-2025-41742), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.