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CVE-2018-7445: MikroTik RouterOS Stack-Based Buffer Overflow Vulnerability

criticalknown exploitedpublic exploitCVE-2018-7445
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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

vendor: MikroTikproduct: RouterOSRemote code execution
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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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-09-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-7445

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-7445coverage & exploitation statusNVD · CVE.org

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