Security readout for executives and security teams
CVE-2018-7445 is a critical pre-authentication flaw in MikroTik RouterOS SMB. An attacker who can reach the SMB service may execute code on the router. This is high business risk because routers often sit at network boundaries and successful compromise can affect confidentiality, integrity, and availability. Exposure is most likely where MikroTik RouterOS SMB is enabled and reachable from untrusted networks. Internet-facing routers, branch routers, and unmanaged legacy RouterOS deployments should be prioritized, especially versions earlier than 6.41.3 or 6.42rc27. Treat this as an urgent legacy-router remediation item. Known exploitation, unauthenticated remote code execution, and network-edge placement make delay risky, especially for internet-exposed MikroTik devices. Mitigation focus: Upgrade RouterOS to 6.41.3, 6.42rc27, or a later vendor-supported release.; Disable SMB on RouterOS where it is not required.; Restrict SMB access to trusted management networks only..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 44290CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://www.coresecurity.com/advisories/mikrotik-routeros-smb-buffer-overflowCVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-7445CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.