ET WEB_SPECIFIC_APPS D-Link gena.cgi service Parameter Command Injection Attempt (CVE-2025-13562, CVE-2024-23624, CVE-2019-17621)

SID: 2066991Rev: 10 views
History
Sourceet/open
CreatedJanuary 23, 2026
UpdatedJanuary 23, 2026
Classificationattempted-admin
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link gena.cgi service Parameter Command Injection Attempt (CVE-2025-13562, CVE-2024-23624, CVE-2019-17621)"; flow:established,to_server; content:"SUBSCRIBE /gena.cgi|3f|service|3d|"; fast_pattern; depth:28; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; content:"NT|3a 20|"; content:"Callback|3a 20|"; reference:cve,2019-17621; reference:cve,2025-13562; reference:cve,2024-23624; classtype:attempted-admin; sid:2066991; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_01_23, cve CVE_2019_17621, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_23, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)

References

cve2019-17621
cve2025-13562
cve2024-23624

Metadata

affected productD_Link
attack targetNetworking_Equipment
tls stateplaintext
created at2026_01_23
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_01_23
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application

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