High severity8.2NVD Advisory· Published Sep 30, 2020· Updated Jun 17, 2026

CVE-2020-12505

Description

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below.

AI Insight

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

Affected products

Wago/750 831 Firmware
cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:*
Range: <=fw07
Wago/750 852 Firmware
cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:*
Range: <=fw07
Wago/750 880 Firmware
cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:*
Range: <=fw07
Wago/750 881 Firmware
cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:*
Range: <=fw07
Wago/750 882 Firmware
cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:*
Range: <=fw07
Wago/750 885 Firmware
cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:*
Range: <=fw07
Wago/750 889 Firmware
cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:*
Range: <=fw07
Wago/750-852llm-create
Range: <=FW07
Wago/750 Series PLCsllm-fuzzy
Range: <=FW07
Wago/750-832/xxx-xxxllm-fuzzy4 versions
<=FW07+ 3 more
- (no CPE)range: <=FW07
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- (no CPE)range: unspecified
WAGO/750-852v5
Range: unspecified
Wago/750-881cpe-rescue3 versions
unspecified+ 2 more
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- (no CPE)range: unspecified

cvss	0.533
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

CVE-2020-12505

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions