How severe is CVE-2025-41743?

CVE-2025-41743 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-41743 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-41743?

CVE-2025-41743 primarily affects Sprecher-automation Sprecon-e-c Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-41743?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-41743 have an EU (EUVD) identifier?

Yes. CVE-2025-41743 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200221.

When was CVE-2025-41743 published?

CVE-2025-41743 was published on 2025-12-02 and last updated on 2026-06-17.

CVE-2025-41743

CVE-2025-41743 is a medium-severity vulnerability in Sprecher-automation Sprecon-e-c Firmware with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-326.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200221
Weakness: CWE-326
Affected product: Sprecher-automation Sprecon-e-c Firmware
Published: 2025-12-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-41743?: 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.
How severe is CVE-2025-41743?: CVE-2025-41743 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-41743 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-41743?: CVE-2025-41743 primarily affects Sprecher-automation Sprecon-e-c Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-41743?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-41743 have an EU (EUVD) identifier?: Yes. CVE-2025-41743 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200221.
When was CVE-2025-41743 published?: CVE-2025-41743 was published on 2025-12-02 and last updated on 2026-06-17.

References

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

Affected products (3)

cpe:2.3:o:sprecher-automation:sprecon-e-c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sprecher-automation:sprecon-e-p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sprecher-automation:sprecon-e-t3_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Sprecher-automation Sprecon-e-c Firmware

CVE-2025-41742 — Critical (CVSS 9.8): Sprecher Automations SPRECON-E-C, SPRECON-E-P, SPRECON-E-T3 is vulnerable to attack by an unauthorized remote…
CVE-2022-4333 — Critical (CVSS 9.8): Hardcoded Credentials in multiple SPRECON-E CPU variants of Sprecher Automation allows an remote attacker to take over…
CVE-2025-41744 — Critical (CVSS 9.1): Sprecher Automations SPRECON-E series uses default cryptographic keys that allow an unprivileged remote attacker to…
CVE-2022-4332 — Medium (CVSS 6.8): In Sprecher Automation SPRECON-E-C/P/T3 CPU in variant PU244x a vulnerable firmware verification has been identified.…
CVE-2024-6758 — Medium (CVSS 6.5): Improper Privilege Management in Sprecher Automation SPRECON-E below version 8.71j allows a remote attacker with low…

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