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Known exploited vulnerability

CVE-2018-7445

criticalCVSS 3.1 9.8In CISA KEVEPSS 66%Published · n/a

The short answer

CVE-2018-7445 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-08: attackers are using it, so patch it first.

What it is

A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running RouterOS before versions 6.41.3/6.42rc27 are vulnerable.

Weakness: CWE-119.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Sep 8, 2022

Federal due date Sep 29, 2022

EPSS, next 30 days

66%

Higher than 99% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2018-7445 being exploited?

Yes. CISA added CVE-2018-7445 to its Known Exploited Vulnerabilities catalog on 2022-09-08, with a federal remediation due date of 2022-09-29.

How do I fix CVE-2018-7445?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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