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Vulnerability record · CVE-2022-3281 · published 17 October 2022

CVE-2022-3281: Wago 750-8100 firmware vulnerability

Wago · 750 8100 Firmware

WAGO Series PFC100/PFC200, Series Touch Panel 600, Compact Controller CC100 and Edge Controller in multiple versions are prone to a loss of MAC-Address-Filtering after reboot. This may allow an remote attacker to circumvent the reach the network that should be protected by the MAC address filter.

7.5 CVSS 3.1 High EPSS 0.73% · top 47.8% CWE-440 · CWE-440
7.5CVSS 3.1 base score
0.73%EPSS exploitation probability, 30 days
NoNot in CISA KEV
78Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

WAGO Series PFC100/PFC200, Series Touch Panel 600, Compact Controller CC100 and Edge Controller in multiple versions are prone to a loss of MAC-Address-Filtering after reboot. This may allow an remote attacker to circumvent the reach the network that should be protected by the MAC address filter.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

78 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2022-042/ MitigationThird Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-042/ MitigationThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-34569Wago 750-8100 firmware out-of-bounds write vulnerabilityIn WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool an…EPSS 0.86%9.1CVE-2021-34566Wago 750-8100 firmware classic buffer overflow vulnerabilityIn WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash…EPSS 1.1%8.2CVE-2021-34567Wago 750-8100 firmware out-of-bounds read vulnerabilityIn WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provo…EPSS 0.82%7.8CVE-2020-12069Pilz pmc vulnerabilityIn CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication …EPSS 0.16%7.5CVE-2021-34568Wago 750-8100 firmware allocation without limits vulnerabilityIn WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provo…EPSS 1.1%5.4CVE-2022-22511Wago 750-8100 firmware cross-site scripting vulnerabilityVarious configuration pages of the device are vulnerable to reflected XSS (Cross-Site Scripting) attacks. An authorized attacker with user privileges…EPSS 0.56%

Source: NIST National Vulnerability Database (record CVE-2022-3281), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.