EUVD-2026-16961CVSS 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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Description
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.
Analysis
Command injection in Totolink A3600R firmware 4.1.2cu.5182_B20201102 allows authenticated remote attackers to execute arbitrary commands via the NoticeUrl parameter in the setNoticeCfg function of /cgi-bin/cstecgi.cgi. The vulnerability has a CVSS score of 6.3 (low-to-medium severity) but is confirmed by publicly available exploit code, making it an active threat to deployed devices despite the authentication requirement.
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.
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