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.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.79%
0%100%
Low · +0.09 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-10-2022PublishedVulnerability first disclosed.
- 10-05-2025Last 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 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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 score0.79%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wago86 products
- 750-8100_firmware≥ 03.01.07\(13\), ≤ 03.10.08\(22\)
- 750-8101_firmware≥ 03.01.07\(13\), ≤ 03.10.08\(22\)
- 750-8101\/000-010_firmware≥ 03.01.07\(13\), ≤ 03.10.08\(22\)
- 750-8101\/025-000_firmware≥ 03.01.07\(13\), ≤ 03.10.08\(22\)
- 750-8102_firmware≥ 03.01.07\(13\), ≤ 03.10.08\(22\)
1 vendor · 86 products