What is CVE-2017-17747?

CVE-2017-17747 is a medium-severity vulnerability in TP-Link Tl-Sg108e, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2017-12-20.

How severe is CVE-2017-17747?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in TP-Link Tl-Sg108e

CVE-2017-17747

Weak access controls in the Device Logout functionality on the TP-Link TL-SG108E v1.0.0 allow remote attackers to call the logout functionality, triggering a denial of service condition.

Vulnerability class: Broken Authentication

Published 2017-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

TP-Link Tl-Sg108e — versions 1.0, 2.0, 3.0
TP-Link Tl-Sg108e Firmware — versions 1.0.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

seclists.org/fulldisclosure/2017/Dec/67 (mailing-list, Exploit, Mailing List, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2017-17747?: CVE-2017-17747 is a medium-severity vulnerability in TP-Link Tl-Sg108e, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2017-12-20.
How severe is CVE-2017-17747?: Medium severity. CVSS v3 base score is 6.5 out of 10.