CVE-2026-5020
CRITICAL WAF: High
CVSS 9.8
Published: 2026-03-29
CWE-77 CWE-77
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.
WAF Coverage Analysis
Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution
Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution
Affected Software
| Vendor | Product | Version |
|---|---|---|
| totolink | a3600r_firmware | 4.1.2cu.5182_b20201102 |
References
- lavender-bicycle-a5a.notion.site (Exploit, Third Party Advisory)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Third Party Advisory, VDB Entry)
- vuldb.com (Permissions Required, VDB Entry)
- www.totolink.net (Product)