SYN Flood or FIN Flood attack in ECos 1 and other versions embedded devices results in web Authentication Bypass
Published Jul 13, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.92%
Description
SYN Flood or FIN Flood attack in ECos 1 and other versions embedded devices results in web Authentication Bypass. "eCos Embedded Web Servers used by Multiple Routers and Home devices, while sending SYN Flood or FIN Flood packets fails to validate and handle the packets and does not ask for any sign of authentication resulting in Authentication Bypass. An attacker can take complete advantage of this bug and take over the device remotely or locally. The bug has been successfully tested and reproduced in some versions of SOHO Routers manufactured by TOTOLINK, GREATEK and others."
Affected products
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 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.92% (0.02919) | 86.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.92% (0.02919) | 85.18th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.13% (0.01129) | 76.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.42% (0.10418) | 88.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.13% (0.01129) | 76.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.34% (0.00341) | 72.34th | v3 (v2023.03.01) |
| Mar 25, 2024 | 0.34% (0.00341) | 70.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00303) | 68.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00303) | 64.86th | 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 | 10.85% (0.10855) | 88.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.95% (0.01953) | 49.98th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.95% (0.01953) | 0.00th | v1 |
References (1)
- http://ecos.sourceware.org/ecos/problemreport.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://ecos.sourceware.org/ecos/problemreport.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.