Critical severity9.1NVD Advisory· Published Sep 30, 2020· Updated Jun 17, 2026

CVE-2020-12506

Description

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.

AI Insight

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

Affected products

Wago/750 362 Firmware
cpe:2.3:o:wago:750-362_firmware:*:*:*:*:*:*:*:*
Range: <=fw03
Wago/750 363 Firmware
cpe:2.3:o:wago:750-363_firmware:*:*:*:*:*:*:*:*
Range: <=fw03
Wago/750 823 Firmware
cpe:2.3:o:wago:750-823_firmware:*:*:*:*:*:*:*:*
Range: <=fw03
Wago/750 832 Firmware
cpe:2.3:o:wago:750-832_firmware:*:*:*:*:*:*:*:*
Range: <=fw03
Wago/750 862 Firmware
cpe:2.3:o:wago:750-862_firmware:*:*:*:*:*:*:*:*
Range: <=fw03
Wago/750 890 Firmware
cpe:2.3:o:wago:750-890_firmware:*:*:*:*:*:*:*:*
Range: <=fw03
Wago/750 891 Firmware
cpe:2.3:o:wago:750-891_firmware:*:*:*:*:*:*:*:*
Range: <=fw03
Wago/750 Series PLCsllm-fuzzy
Range: <=FW03
Wago/750-362llm-fuzzy3 versions
<=FW03+ 2 more
- (no CPE)range: <=FW03
- (no CPE)range: unspecified
- (no CPE)range: unspecified
Wago/750-823cpe-rescue
Range: unspecified
Wago/750-832/xxx-xxxcpe-rescue2 versions
unspecified+ 1 more
- (no CPE)range: unspecified
- (no CPE)range: unspecified
Wago/750-862cpe-rescue
Range: unspecified
Wago/750-891cpe-rescue
Range: unspecified

cvss	0.591
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

CVE-2020-12506

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions