Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability
Published Oct 22, 2018
8.8
HIGHCVSS 3.0
EPSS 21.54%
Description
Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability by sending a crafted HTTP request to broadweb/system/opcImg.asp.
Affected products
-
- Version 8.3.2 and belowStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Advantech | Advantech WebAccess | 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:C/I:C/A:C
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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 21.54% (0.21539) | 97.56th | v5 (v2026.06.15) |
| Sep 22, 2026 | 21.54% (0.21539) | 97.51th | v5 (v2026.06.15) |
| Sep 21, 2026 | 16.23% (0.16227) | 96.85th | v5 (v2026.06.15) |
| Sep 6, 2026 | 21.54% (0.21539) | 97.45th | v5 (v2026.06.15) |
| Sep 5, 2026 | 16.23% (0.16227) | 96.79th | v5 (v2026.06.15) |
| Aug 30, 2026 | 21.54% (0.21539) | 97.44th | v5 (v2026.06.15) |
| Aug 28, 2026 | 16.23% (0.16227) | 96.77th | v5 (v2026.06.15) |
| Aug 24, 2026 | 21.54% (0.21539) | 97.43th | v5 (v2026.06.15) |
| Aug 23, 2026 | 16.23% (0.16227) | 96.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.54% (0.21539) | 97.30th | v5 (v2026.06.15) |
| Nov 21, 2025 | 12.64% (0.12642) | 93.69th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.37% (0.03374) | 86.15th | v4 (v2025.03.14) |
| Oct 16, 2025 | 12.64% (0.12642) | 93.63th | v4 (v2025.03.14) |
| Aug 30, 2025 | 16.16% (0.16160) | 94.55th | v4 (v2025.03.14) |
| Mar 30, 2025 | 20.48% (0.20485) | 95.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 36.26% (0.36258) | 95.56th | v4 (v2025.03.14) |
| Mar 19, 2025 | 20.48% (0.20485) | 94.86th | v4 (v2025.03.14) |
| Mar 18, 2025 | 18.23% (0.18230) | 94.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.01% (0.06009) | 90.00th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.31% (0.00311) | 70.34th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00311) | 69.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00311) | 65.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.56% (0.00556) | 13.12th | v1 |
| Jan 6, 2022 | 0.56% (0.00556) | 12.63th | v1 |
| Sep 1, 2021 | 0.56% (0.00556) | 33.69th | v1 |
| Apr 14, 2021 | 0.56% (0.00556) | 0.00th | v1 |
References (1)
- https://www.tenable.com/security/research/tra-2018-33 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.tenable.com/security/research/tra-2018-33 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.