CVE-2018-1156

View on CVE.org

Published Aug 23, 2018 CVSS 3.0 · 8.8 High EPSS 7.4% KEV · Not listed

Description

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:mikrotik:routeros:::::ltr:::*
	cpe:2.3:o:mikrotik:routeros::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2018-11794	Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 7.4% (7.371% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://mikrotik.com/download/changelogs
https://mikrotik.com/download/changelogs/bugfix-release-tree
https://www.tenable.com/security/research/tra-2018-21

History

No history.

Subscriptions

Mikrotik Routeros

Weaknesses

CWE-787

Sources

CVE record Updated: Sep 16, 2024, 7:31 PM

Status: PUBLISHED
Assigner: tenable
Published: Aug 23, 2018, 7:00 PM
Updated: Sep 16, 2024, 7:31 PM
Reserved: Dec 5, 2017, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:50 AM

Status: Modified
Published: Aug 23, 2018, 7:29 PM
Modified: Jun 17, 2026, 1:50 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-08-22T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-08-23T18:57:01.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.tenable.com/security/research/tra-2018-21"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://mikrotik.com/download/changelogs"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://mikrotik.com/download/changelogs/bugfix-release-tree"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "DATE_PUBLIC": "2018-08-22T00:00:00", "ID": "CVE-2018-1156", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2018-21", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2018-21"}, {"name": "https://mikrotik.com/download/changelogs", "refsource": "CONFIRM", "url": "https://mikrotik.com/download/changelogs"}, {"name": "https://mikrotik.com/download/changelogs/bugfix-release-tree", "refsource": "CONFIRM", "url": "https://mikrotik.com/download/changelogs/bugfix-release-tree"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T03:51:48.788Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2018-21"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://mikrotik.com/download/changelogs"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://mikrotik.com/download/changelogs/bugfix-release-tree"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2018-1156", "datePublished": "2018-08-23T19:00:00.000Z", "dateReserved": "2017-12-05T00:00:00.000Z", "dateUpdated": "2024-09-16T19:31:35.007Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:*", "matchCriteriaId": "61E0FC57-8604-4BA5-BF68-A46946C3B14E", "versionEndExcluding": "6.40.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*", "matchCriteriaId": "79B4AC99-9E5F-480A-9884-D52271D2BC34", "versionEndExcluding": "6.42.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system."}, {"lang": "es", "value": "Mikrotik RouterOS en versiones anteriores a la 6.42.7 y 6.40.9 es vulnerable a un desbordamiento de b\u00fafer basado en pila a trav\u00e9s de la interfaz de actualizaci\u00f3n de la licencia. Esta vulnerabilidad podr\u00eda permitir, en teor\u00eda, que un atacante autenticado remoto ejecute c\u00f3digo arbitrario en el sistema."}], "id": "CVE-2018-1156", "lastModified": "2026-06-17T01:50:36.210", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-08-23T19:29:00.347", "references": [{"source": "vulnreport@tenable.com", "tags": ["Vendor Advisory"], "url": "https://mikrotik.com/download/changelogs"}, {"source": "vulnreport@tenable.com", "tags": ["Vendor Advisory"], "url": "https://mikrotik.com/download/changelogs/bugfix-release-tree"}, {"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2018-21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://mikrotik.com/download/changelogs"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://mikrotik.com/download/changelogs/bugfix-release-tree"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2018-21"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}