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Fencer Intel
high 7.5

CVE-2022-3281 json

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

published 4y ago modified 4mo 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

Summary

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.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel 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.