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    4 vulnerabilities by lenze

    CVE-2026-14837 (GCVE-0-2026-14837)

    Vulnerability from nvd – Published: 2026-07-27 07:03 – Updated: 2026-07-27 14:01
    VLAI
    Title
    SSH Enablement Signature Verification Bypass
    Summary
    Multiple Lenze products are affected by an improper signature verification vulnerability in the SSH enablement mechanism. A low-privileged local attacker can bypass verification of the SSH enable file signature and enable SSH access on the device. Successful exploitation may result in unauthorized administrative access and complete system compromise.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-27 14:01 UTC
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    References
    Impacted products
    Vendor Product Version
    Lenze c430 Affected: 1.0.0 , < 1.15.2 (semver)
    Create a notification for this product.
    Lenze c520 Affected: 1.0.0 , < 1.15.2 (semver)
    Create a notification for this product.
    Lenze c550 Affected: 1.0.0 , < 1.15.2 (semver)
    Create a notification for this product.
    Lenze i950 GenA Affected: 1.0.0 , < 1.14.2 (semver)
    Create a notification for this product.
    Lenze i950 GenB Affected: 2.0.0 , < 2.0.3 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-41647 (GCVE-0-2025-41647)

    Vulnerability from nvd – Published: 2025-06-25 09:40 – Updated: 2025-06-25 12:41
    VLAI
    Title
    Lenze: Plaintext Password Disclosure in PLC Designer V4 Interface
    Summary
    A local, low-privileged attacker can learn the password of the connected controller in PLC Designer V4 due to an incorrect implementation that results in the password being displayed in plain text under special conditions.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-06-25 12:21 UTC
    CWE
    • CWE-312 - Cleartext Storage of Sensitive Information
    References
    Impacted products
    Vendor Product Version
    Lenze PLC Designer V4 Affected: 0.0.0 , ≤ 4.0.0 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-14837 (GCVE-0-2026-14837)

    Vulnerability from cvelistv5 – Published: 2026-07-27 07:03 – Updated: 2026-07-27 14:01
    VLAI
    Title
    SSH Enablement Signature Verification Bypass
    Summary
    Multiple Lenze products are affected by an improper signature verification vulnerability in the SSH enablement mechanism. A low-privileged local attacker can bypass verification of the SSH enable file signature and enable SSH access on the device. Successful exploitation may result in unauthorized administrative access and complete system compromise.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-27 14:01 UTC
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    References
    Impacted products
    Vendor Product Version
    Lenze c430 Affected: 1.0.0 , < 1.15.2 (semver)
    Create a notification for this product.
    Lenze c520 Affected: 1.0.0 , < 1.15.2 (semver)
    Create a notification for this product.
    Lenze c550 Affected: 1.0.0 , < 1.15.2 (semver)
    Create a notification for this product.
    Lenze i950 GenA Affected: 1.0.0 , < 1.14.2 (semver)
    Create a notification for this product.
    Lenze i950 GenB Affected: 2.0.0 , < 2.0.3 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-41647 (GCVE-0-2025-41647)

    Vulnerability from cvelistv5 – Published: 2025-06-25 09:40 – Updated: 2025-06-25 12:41
    VLAI
    Title
    Lenze: Plaintext Password Disclosure in PLC Designer V4 Interface
    Summary
    A local, low-privileged attacker can learn the password of the connected controller in PLC Designer V4 due to an incorrect implementation that results in the password being displayed in plain text under special conditions.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-06-25 12:21 UTC
    CWE
    • CWE-312 - Cleartext Storage of Sensitive Information
    References
    Impacted products
    Vendor Product Version
    Lenze PLC Designer V4 Affected: 0.0.0 , ≤ 4.0.0 (semver)
    Create a notification for this product.
    Show details on NVD website

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