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CVE-2025-41743

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

MEDIUM
4
CVSS Score
Published: December 2, 2025 at 10:38 AM UTC
Updated: September 26, 2026 at 12:27 AM UTC
6 products affected across 1 vendorSprecon E T3 FirmwareSprecon E C FirmwareSprecon E P Firmware

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Severity
MEDIUM4
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sprecon E C Firmware· Sprecher Automation
95%
v < 9.0
Affected range stops below 9.0, so it looks safe — our inference, not a vendor statement
sprecher-automation-sprecon-e-c (same device)
Sprecon E P Firmware· Sprecher Automation
95%
v < 9.0
Affected range stops below 9.0, so it looks safe — our inference, not a vendor statement
sprecher-automation-sprecon-e-p (same device)
Sprecon E T3 Firmware· Sprecher Automation
95%
v < 9.0
Affected range stops below 9.0, so it looks safe — our inference, not a vendor statement
sprecher-automation-sprecon-e-t3 (same device)
SPRECON-E-C· Sprecher Automation
60%
1.0 ≤ v < 9.01.0
Affected range stops below 9.0, so it looks safe — our inference, not a vendor statement
SPRECON-E-P· Sprecher Automation
60%
1.0 ≤ v < 9.01.0
Affected range stops below 9.0, so it looks safe — our inference, not a vendor statement
SPRECON-E-T3· Sprecher Automation
60%
1.0 ≤ v < 9.01.0
Affected range stops below 9.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://www.sprecher-automation.com/fileadmin/itSecurity/PDF/SPR-2511043_de.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4MEDIUMCERTVDE
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-326

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