An exploitable stack buffer overflow vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 version 03.02.02(14)
Published Mar 10, 2020
7.8
HIGHCVSS 3.1
EPSS 0.82%
Description
An exploitable stack buffer overflow vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 version 03.02.02(14). A specially crafted XML cache file written to a specific location on the device can cause a stack buffer overflow, resulting in code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file.
Affected products
-
- Version version 03.02.02(14)StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Wago | WAGO PFC200 Firmware | n/a |
|
- 03.02.02\(14\)
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.82% (0.00818) | 55.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.82% (0.00818) | 55.62th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00055) | 23.23th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.06% (0.00055) | 22.54th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.06% (0.00055) | 20.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 18.00th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.04% (0.01036) | 43.31th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.04% (0.01036) | 39.16th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.76% (0.02763) | 64.64th | v2 (v2022.01.01) |
| Jan 6, 2022 | 3.20% (0.03197) | 66.14th | v1 |
| Jan 5, 2022 | 0.73% (0.00731) | 50.76th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.73% (0.00731) | 0.00th | v1 |
References (1)
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0961 x_refsource_MISCExploitMitigationThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2019-0961 | x_refsource_MISCExploitMitigationThird Party Advisory |
Change history (0)
No recorded changes yet.