ET WEB_SPECIFIC_APPS D-Link hi_block.asp Multiple Parameters Buffer Overflow Attempt (CVE-2025-11338, CVE-2025-11339)
Sourceet/open
CreatedOctober 6, 2025
UpdatedOctober 6, 2025
Classificationweb-application-attack
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link hi_block.asp Multiple Parameters Buffer Overflow Attempt (CVE-2025-11338, CVE-2025-11339)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/webchat/hi_block.asp|3f|"; startswith; fast_pattern; pcre:"/(?:popupId|openid)\x3d[^&]{100,}(?:&|$)/"; reference:url,www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3#password%20is%20%22gstn%22; reference:cve,2025-11338; reference:cve,2025-11339; reference:url,www.yuque.com/jh0ng/vmpda6/kggo2ngrcphzvwml#password%20is%20%22orn0%22; classtype:web-application-attack; sid:2065060; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_06, cve CVE_2025_11338_CVE_2025_11339, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_06, 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 at2025_10_06
cveCVE_2025_11338_CVE_2025_11339
deploymentInternal
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_10_06
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1190
mitre technique nameExploit_Public_Facing_Application
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