On the TP-Link TL-SG108E 1.0, there is a hard-coded ciphering key (a long string beginning with Ei2HNryt). This affects the 1.1.2 Build 20141017 Rel.50749 firmware.
https://chmod750.com/2017/04/23/vulnerability-disclosure-tp-link/
Source: Mitre, NVD
Published: 2017-04-23
Updated: 2025-04-20
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.00437