An issue was discovered in D-Link DIR-806 devices
Published Sep 6, 2019
9.8
CRITICALCVSS 3.0
EPSS 2.29%
Description
An issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users. And it finally leads to a stack-based buffer overflow via a special HTTP header.
Affected products
No data.
- 1.0
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:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/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 3, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.29% (0.02289) | 82.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.29% (0.02289) | 80.89th | v5 (v2026.06.15) |
| Mar 29, 2025 | 1.54% (0.01537) | 69.64th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.44% (0.00438) | 75.03th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00438) | 74.02th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.44% (0.00438) | 71.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.35% (0.00346) | 67.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.84% (0.01840) | 47.83th | v5 (v2026.06.15) |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Stack_Overflow_to_Run_Shellcode.md x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Stack_Overflow_to_Run_Shellcode.md | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.