WAGO: multiple products - Loss of MAC-Address-Filtering after reboot

published 2022-10-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42677

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-05-10)

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

WAGO 750-81xx/xxx-xxx Series PFC100/PFC200
WAGO 750-8217/xxx-xxx Series PFC100/PFC200
WAGO 750-82xx/xxx-xxx Series PFC100/PFC200
WAGO Compact Controller CC100
WAGO 762-4xxx Series Touch Panel 600
WAGO 762-5xxx Series Touch Panel 600
WAGO 762-6xxx Series Touch Panel 600
WAGO 752-8303/8000-002 Edge Controller

Classification

Weakness

CWE-440 Expected Behavior Violation

References

cert.vde.com /en/advisories/VDE-2022-042/
mitigation, third-party-advisory

Sources

CVE List CVE-2022-3281
NVD CVE-2022-3281

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary