CVE-2026-5020 MEDIUM

CVE-2026-5020: Totolink A3600R Parameter cstecgi.cgi setNoticeCfg command injection

Vendor Totolink
Product A3600R
Weakness CWE-77
Published March 29, 2026
Last update April 1, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in Totolink A3600R 4.1.2cu.5182_B20201102. Affected by this issue is the function setNoticeCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument NoticeUrl results in command injection. The attack may be launched remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

March 29, 2026 CVE published
April 1, 2026 Record updated