7.5

CVE-2022-3281: wago 750-8100_firmware Expected Behavior Violation

CVSS: 7.5v3.1HighModified
Published 17-10-2022Last modified 10-05-2025

Vulnerability summary

CVE-2022-3281 is a high (CVSS 7.5) Expected Behavior Violation vulnerability in wago 750-8100_firmware. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.79%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-10-2022
    PublishedVulnerability first disclosed.
  2. 10-05-2025
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

+0.09 pp

From 0.70% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Wago86 products

1 vendor · 86 products

References

1 links