CVE-2026-5020

moderate-risk
Published 2026-03-29

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.

Do I need to act?

~
1.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Totolink

References (5)

Exploit https://lavender-bicycle-a5a.notion.site/TOTOLINK_A3600R_setNoticeCfg-32253a4178...
Third Party Advisory https://vuldb.com/submit/779536
Third Party Advisory https://vuldb.com/vuln/353905
Permissions Required https://vuldb.com/vuln/353905/cti
Product https://www.totolink.net/
32
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal