CVE-2026-30802 - Vulnerability Details - OpenCVE

Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00276.

Exploitation none

Automatable yes

Technical Impact partial

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

Vendor Product Default status Versions

RTI

Connext Micro

unaffected

Version	Status	Constraints
`4.0.0`	affected	< 4.3.0

No data.

No data.

No data.

Project Subscriptions

Vendors	Products
Rti Subscribe	Connext Micro Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.rti.com/vulnerabilities/#cve-2026-30802

History

Thu, 18 Jun 2026 04:45:00 +0000

Type	Values Removed	Values Added
Description		Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0.
Title		Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.
First Time appeared		Rti Rti connext Micro
Weaknesses		CWE-125
CPEs		cpe:2.3:a:rti:connext_micro::::::::
Vendors & Products		Rti Rti connext Micro
References		https://www.rti.com/vulnerabilities/#cve-2026-30802
Metrics		cvssV4_0 `{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: RTI

Published: 2026-06-17T17:20:55.133Z

Updated: 2026-06-17T17:58:42.143Z

Reserved: 2026-03-05T14:43:37.192Z

Link: CVE-2026-30802

Vulnrichment

Updated: 2026-06-17T17:58:38.260Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-125

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30802", "assignerOrgId": "3f572a00-62e2-4423-959a-7ea25eff1638", "state": "PUBLISHED", "assignerShortName": "RTI", "dateReserved": "2026-03-05T14:43:37.192Z", "datePublished": "2026-06-17T17:20:55.133Z", "dateUpdated": "2026-06-17T17:58:42.143Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "modules": ["Core Libraries"], "product": "Connext Micro", "packageName": "connext_micro", "packageURL": "pkg:generic/connext_micro", "vendor": "RTI", "versions": [{"lessThan": "4.3.0", "status": "affected", "version": "4.0.0", "versionType": "custom"}]}], "datePublic": "2026-06-12T16:21:38.617Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.<p>This issue affects Connext Micro: from 4.0.0 before 4.3.0.</p>"}], "value": "Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0."}], "impacts": [{"capecId": "CAPEC-540", "descriptions": [{"lang": "en", "value": "CAPEC-540 Overread Buffers"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.8, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "3f572a00-62e2-4423-959a-7ea25eff1638", "shortName": "RTI", "dateUpdated": "2026-06-17T17:20:55.133Z"}, "references": [{"url": "https://www.rti.com/vulnerabilities/#cve-2026-30802"}], "source": {"discovery": "UNKNOWN"}, "title": "Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.", "x_generator": {"engine": "RTI Lubna 1.17.6"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negated": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:rti:connext_micro:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0.0", "versionEndExcluding": "4.3.0"}]}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-17T17:58:36.128067Z", "id": "CVE-2026-30802", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T17:58:42.143Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-30802", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-17T17:58:36.128067Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T17:58:38.260Z"}}], "cna": {"title": "Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.", "source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-540", "descriptions": [{"lang": "en", "value": "CAPEC-540 Overread Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.8, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "RTI", "modules": ["Core Libraries"], "product": "Connext Micro", "versions": [{"status": "affected", "version": "4.0.0", "lessThan": "4.3.0", "versionType": "custom"}], "packageURL": "pkg:generic/connext_micro", "packageName": "connext_micro", "defaultStatus": "unaffected"}], "datePublic": "2026-06-12T16:21:38.617Z", "references": [{"url": "https://www.rti.com/vulnerabilities/#cve-2026-30802"}], "x_generator": {"engine": "RTI Lubna 1.17.6"}, "descriptions": [{"lang": "en", "value": "Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0.", "supportingMedia": [{"type": "text/html", "value": "Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.<p>This issue affects Connext Micro: from 4.0.0 before 4.3.0.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "cpeApplicability": [{"nodes": [{"negated": false, "cpeMatch": [{"criteria": "cpe:2.3:a:rti:connext_micro:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.3.0", "versionStartIncluding": "4.0.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "3f572a00-62e2-4423-959a-7ea25eff1638", "shortName": "RTI", "dateUpdated": "2026-06-17T17:20:55.133Z"}}}, "cveMetadata": {"cveId": "CVE-2026-30802", "state": "PUBLISHED", "dateUpdated": "2026-06-17T17:58:42.143Z", "dateReserved": "2026-03-05T14:43:37.192Z", "assignerOrgId": "3f572a00-62e2-4423-959a-7ea25eff1638", "datePublished": "2026-06-17T17:20:55.133Z", "assignerShortName": "RTI"}, "dataVersion": "5.2"}