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Vulnerability record · CVE-2025-41744 · published 2 December 2025

CVE-2025-41744: Sprecher-automation sprecon-e-c firmware vulnerability

Sprecher Automation · Sprecon E C Firmware

Sprecher Automations SPRECON-E series uses default cryptographic keys that allow an unprivileged remote attacker to access all encrypted communications, thereby compromising confidentiality and integrity.

9.1 CVSS 3.1 Critical EPSS 0.41% · top 67.5% CWE-1394 · CWE-1394
9.1CVSS 3.1 base score
0.41%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 series uses default cryptographic keys that allow an unprivileged remote attacker to access all encrypted communications, thereby compromising confidentiality and integrity.

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

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-2511043_de.pdf Vendor Advisory

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Related vulnerabilities

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

9.8CVE-2025-41742Sprecher-automation sprecon-e-c firmware vulnerabilitySprecher Automations SPRECON-E-C,  SPRECON-E-P, SPRECON-E-T3 is vulnerable to attack by an unauthorized remote attacker via default cryptographic key…EPSS 0.46%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%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-2025-41744), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.