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High severity7.5NVD Advisory· Published Aug 31, 2021· Updated Jun 17, 2026

CVE-2021-34581

CVE-2021-34581

Description

Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

12

Wago/750 831\/000 002 Firmware
cpe:2.3:o:wago:750-831\/000-002_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 831 Firmware
cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 880\/025 000 Firmware
cpe:2.3:o:wago:750-880\/025-000_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 880\/025 001 Firmware
cpe:2.3:o:wago:750-880\/025-001_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 880\/025 002 Firmware
cpe:2.3:o:wago:750-880\/025-002_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 880\/040 000 Firmware
cpe:2.3:o:wago:750-880\/040-000_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 880 Firmware
cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 881 Firmware
cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750 889 Firmware
cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:*
Range: >=fw4,<=fw15
Wago/750-832/xxx-xxxllm-fuzzy
Range: <=FW15
Wago/750-881llm-fuzzy
Range: <=FW15
WAGO/750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889v5
Range: FW4

Patches

Vulnerability mechanics

References

1

cert.vde.com/en-us/advisories/vde-2021-038nvdThird Party Advisory

News mentions

0

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