ET WEB_SPECIFIC_APPS D-Link dsk_mgr.cgi Multiple Functions and Multiple Parameters Command Injection Attempt (CVE-2026-4206)
Sourceet/open
Fileemerging-web_specific_apps.rules
CreatedSeptember 16, 2026
UpdatedSeptember 16, 2026
Classificationattempted-admin
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link dsk_mgr.cgi Multiple Functions and Multiple Parameters Command Injection Attempt (CVE-2026-4206)"; flow:established,to_server ; http.method; content:"POST"; http.uri; content:"/cgi-bin/dsk_mgr.cgi"; fast_pattern; http.request_body; content:"cmd|3d|"; pcre:"/^(?:FMT\x5f(?:rebuild|create)\x5fdiskmgr|ScanDisk\x5frun\x5fe2fsck)/R" ; pcre:"/f\x5f(?:dev|filesystem|sethdsize)\x3d[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/P" ; reference:cve,2026-4206 ; reference:url,github.com/wudipjq/my_vuln ; classtype:attempted-admin; sid:2072051; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_09_16, cve CVE_2026_4206, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_09_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
References
Metadata
affected productD_Link
attack targetNetworking_Equipment
tls stateplaintext
created at2026_09_16
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagExploit
updated at2026_09_16
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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