ATTACK [PTsecurity] Mikrotik <6.41.3 <6.42rc27 RCE Attempt (CVE-2018-7445)

SID: 10002680Rev: 231 viewsHistory

Sourceptrules/open

CreatedJuly 24, 2025

UpdatedJuly 24, 2025

Classificationattempted-admin

alert tcp any any -> any 139 (msg:"ATTACK [PTsecurity] Mikrotik <6.41.3 <6.42rc27 RCE Attempt (CVE-2018-7445)"; flow:established, to_server, no_stream; stream_size:client, <, 200; content:"|81 00|"; depth:2; fast_pattern; byte_test:1, >, 0x20, 2, relative; content:"|00 00 00|"; distance:0; reference:cve, 2018-7445; reference:url, www.coresecurity.com/advisories/mikrotik-routeros-smb-buffer-overflow; reference:url, rules.ptsecurity.com; classtype:attempted-admin; sid:10002680; rev:2;)

References

cve	2018-7445
url	www.coresecurity.com/advisories/mikrotik-routeros-smb-buffer-overflow
url	rules.ptsecurity.com

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