ET WEB_SPECIFIC_APPS Totolink setWiFiEasyCfg ssid/ssid5g Parameter Buffer Overflow Attempt (CVE-2026-1157, CVE-2025-45842)
Sourceet/open
CreatedApril 22, 2026
UpdatedApril 22, 2026
Classificationweb-application-attack
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Totolink setWiFiEasyCfg ssid/ssid5g Parameter Buffer Overflow Attempt (CVE-2026-1157, CVE-2025-45842)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:20; content:"/cgi-bin/cstecgi.cgi"; http.request_body; content:"|22|topicurl|22|"; content:"|22|setWiFiEasyCfg|22|"; fast_pattern; within:21; content:"|22|ssid"; pcre:"/^(?:5g)?\x22(?:\x3a(?:\x20\x22|\x22))?[^\x2c\x7d$]{100,}(?:\x2c|\x7d|$)/R"; reference:url,www.cve.org/CVERecord/SearchResults?query=setWiFiEasyCfg; reference:cve,2026-1157; reference:cve,2025-45842; classtype:web-application-attack; sid:2068930; rev:1; metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_04_22, cve CVE_2026_1157_CVE_2025_45842, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_22, 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 productTOTOLINK
attack targetNetworking_Equipment
tls stateplaintext
created at2026_04_22
cveCVE_2026_1157_CVE_2025_45842
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_04_22
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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