CVE-2017-1000020
9.8
CRITICAL · CVSS 3.0 · EPSS 2.9% (pctl 87)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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."
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.92% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-07-17 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| ecos | embedded web servers |
| greatek | soho |
| totolink | soho |
References
→ the Explorer · watch your stack · NVD