CVE-2026-5020

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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cna@vuldb.com

Published

2026-03-29

Last modified

2026-04-01

Weaknesses

CWE-74, CWE-77

Affected products

• A3600r Firmware (Totolink)

References

• https://lavender-bicycle-a5a.notion.site/TOTOLINK_A3600R_setNoticeCfg-32253a41781f80c197eaf8e7558c5ed1?source=copy_link
• https://vuldb.com/submit/779536
• https://vuldb.com/vuln/353905
• https://vuldb.com/vuln/353905/cti
• https://www.totolink.net/