In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, a buffer overflow in the web server allows remote attackers to cause a denial-of-service condition or execute arbitrary code
Published Mar 24, 2020
9.8
CRITICALCVSS 3.1
EPSS 3.50%
Description
In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, a buffer overflow in the web server allows remote attackers to cause a denial-of-service condition or execute arbitrary code.
Affected products
No data.
Configuration 1
- ≤ 4.0
Running on/with
- n/a
Configuration 2
- ≤ 4.0
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Configuration 3
- ≤ 4.0
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Configuration 4
- ≤ 4.0
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Configuration 5
- ≤ 4.0
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Configuration 6
- ≤ 4.0
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Configuration 7
- ≤ 4.0
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Configuration 8
- ≤ 4.0
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Configuration 9
- ≤ 4.0
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Configuration 10
- ≤ 4.0
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Configuration 11
- ≤ 4.0
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Configuration 12
- ≤ 4.0
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Configuration 13
- ≤ 4.0
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Configuration 14
- ≤ 4.0
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Configuration 15
- ≤ 4.0
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Configuration 16
- ≤ 4.0
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Configuration 17
- ≤ 4.0
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Configuration 18
- ≤ 4.0
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Configuration 19
- ≤ 4.0
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Configuration 20
- ≤ 4.0
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Configuration 21
- ≤ 4.0
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Configuration 22
- ≤ 4.0
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Configuration 23
- ≤ 4.0
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Configuration 24
- ≤ 4.0
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Configuration 25
- ≤ 4.0
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Configuration 26
- ≤ 4.0
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Configuration 27
- ≤ 4.0
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Configuration 28
- ≤ 4.0
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Configuration 29
- ≤ 4.0
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Configuration 30
- ≤ 4.0
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Configuration 31
- ≤ 4.0
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Configuration 32
- ≤ 4.0
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Configuration 33
- ≤ 4.0
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Configuration 34
- ≤ 4.0
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Configuration 35
- ≤ 4.0
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Configuration 36
- ≤ 4.0
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Configuration 37
- ≤ 4.0
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Configuration 38
- ≤ 4.0
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Configuration 39
- ≤ 4.0
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- n/a
Configuration 40
- ≤ 3.9
Running on/with
- n/a
Configuration 41
- ≤ 3.9
Running on/with
- n/a
Configuration 42
- ≤ 3.9
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Configuration 43
- ≤ 3.9
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Configuration 44
- ≤ 3.9
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Configuration 45
- ≤ 3.9
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Configuration 46
- ≤ 3.9
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Configuration 47
- ≤ 3.9
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Configuration 48
- ≤ 3.9
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Configuration 49
- ≤ 3.9
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- n/a
Configuration 50
- ≤ 3.9
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Configuration 51
- ≤ 3.9
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Configuration 52
- ≤ 3.9
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Configuration 53
- ≤ 3.9
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- n/a
Configuration 54
- ≤ 3.9
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- n/a
Configuration 55
- ≤ 3.9
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- n/a
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.50% (0.03498) | 88.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.83% (0.02830) | 84.73th | v5 (v2026.06.15) |
| Jan 25, 2026 | 1.88% (0.01879) | 82.72th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.87% (0.00872) | 73.13th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.01% (0.02008) | 72.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.87% (0.00872) | 73.63th | v4 (v2025.03.14) |
| Jan 28, 2025 | 43.39% (0.43389) | 97.46th | v3 (v2023.03.01) |
| Dec 17, 2024 | 51.14% (0.51144) | 97.65th | v3 (v2023.03.01) |
| May 3, 2024 | 1.29% (0.01288) | 85.69th | v3 (v2023.03.01) |
| Jan 12, 2024 | 0.95% (0.00952) | 81.48th | v3 (v2023.03.01) |
| Nov 22, 2023 | 0.68% (0.00681) | 77.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.57% (0.00575) | 74.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.16% (0.01156) | 61.37th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.16% (0.01156) | 58.36th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.36% (0.15362) | 92.49th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.23% (0.04230) | 74.42th | v5 (v2026.06.15) |
| Jan 6, 2022 | 4.23% (0.04230) | 74.20th | v1 |
| Sep 1, 2021 | 0.97% (0.00975) | 61.17th | v1 |
| Apr 14, 2021 | 0.97% (0.00975) | 0.00th | v1 |
References (1)
- https://www.us-cert.gov/ics/advisories/icsa-20-056-03 x_refsource_MISCThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://www.us-cert.gov/ics/advisories/icsa-20-056-03 | x_refsource_MISCThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.