ET WEB_SPECIFIC_APPS Linksys E5600 runtime.ddnsStatus Multiple Parameters Command Injection Attempt (CVE-2025-45488-2025-45491)
Sourceet/open
CreatedMay 19, 2025
UpdatedMay 19, 2025
Classificationattempted-admin
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Linksys E5600 runtime.ddnsStatus Multiple Parameters Command Injection Attempt (CVE-2025-45488-2025-45491)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:8; content:"/API/obj"; http.header_names; content:"|0d 0a|Cookie|0d 0a|"; http.request_body; content:"|22|DdnsP|22|"; fast_pattern; pcre:"/\x22(?:hostname|mailex|username|password).*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|(?:\x26{2}|%26%26))+/"; reference:cve,2025-45488; reference:cve,2025-45489; reference:cve,2025-45490; reference:cve,2025-45491; reference:url,github.com/JZP018/vuln03/blob/main/linksys/E5600; classtype:attempted-admin; sid:2062421; rev:1; metadata:affected_product Linksys, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_05_19, cve CVE_2025_45488, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_19, 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 productLinksys
attack targetNetworking_Equipment
tls stateplaintext
created at2025_05_19
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagExploit
updated at2025_05_19
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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