CVE-2018-7445
Actively exploited. CVE-2018-7445 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2018-7445 is indexed in Exploit-DB. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
In MikroTik RouterOS, a stack-based buffer overflow occurs when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system.
CSIRTS triage
- What
- A stack-based buffer overflow occurs in MikroTik RouterOS when processing NetBIOS session request messages.
- Who is affected
- Deployments of MikroTik RouterOS that process NetBIOS requests.
- Urgency
- Urgent remediation is necessary due to active exploitation and critical severity.
- Action
- Update MikroTik RouterOS to the latest version to fix the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2018-7445 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2018-7445: MikroTik RouterOS Stack-Based Buffer Overflow Vulnerabilitycisa-kev · 2022-09-08
External references
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[](https://www.csirts.com/cve/CVE-2018-7445)