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CVE-2026-5020 - Vulnerability Analysis

MediumCVSS: 6.3

Last Updated: March 30, 2026

Totolink A3600R - Command Injection

Published: March 29, 2026Updated: March 30, 2026PoC AvailableRemote Exploitable

Overview

Totolink A3600R 4.1.2cu.5182_B20201102 contains a command injection caused by manipulation of the "NoticeUrl" argument in /cgi-bin/cstecgi.cgi setNoticeCfg function, letting remote attackers execute arbitrary commands, exploit requires no special privileges.

Severity & Score

Severity: Medium

CVSS Score: 6.3

Impact

Remote attackers can execute arbitrary commands, potentially taking full control of the device.

Mitigation

Update to the latest version.

References

https://www.totolink.net/
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

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-5020
Severity: Medium
CVSS Score: 6.3
Type: command_injection
Status: confirmed

CWE

CWE-74
CWE-77

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L