V-SOL GPON/EPON OLT Platform v2.03 contains an open redirect vulnerability in the script that allows attackers to manipulate the 'parent' GET parameter. Attackers can craft malicious links that redirect logged-in users to arbitrary websites by exploiting improper input validation in the redirect mechanism.
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5535.php
https://packetstormsecurity.com/files/154628
Published: 2026-01-08
Updated: 2026-04-15
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 5.1
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
Severity: Medium
EPSS: 0.00045