---
id: CVE-2025-4582
title: >-
  Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional
  (Core Libraries) allows File Manipulation, Overread Buffers
summary: >-
  Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional
  (Core Libraries) allows File Manipulation, Overread Buffers. This issue
  affects Connext Professional: from 7.4.0 before 7.6.0, from 7.0.0 before
  7.3.0.8, from 6…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'
cwe:
  - CWE-126
  - CWE-193
vendor: rti
product: connext_professional
affected:
  - 'connext_professional >= 4.4a, < 6.1.2.26'
  - 'connext_professional >= 7.0.0, < 7.3.0.8'
  - 'connext_professional >= 7.4.0, < 7.6.0'
patched:
  - connext_professional 7.6.0
published: '2025-09-23'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T18:17:10.000'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-4582'
references:
  - url: 'https://www.rti.com/vulnerabilities/#cve-2025-4582'
    label: 3f572a00-62e2-4423-959a-7ea25eff1638
tags:
  - nvd
  - cve.org
  - score-dispute
epss: 0.00136
epssPercentile: 0.03396
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-09-23T18:29:34.412365Z'
scores:
  nvd: 7.1
  cna: 4.8
ingestedAt: '2026-09-22T18:08:12.487Z'
---

## Overview

Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation, Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.6.0, from 7.0.0 before 7.3.0.8, from 6.1.0 before 6.1.2.26, from 6.0.0 before 6.0.1.43, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.4a before 5.1.*.

## Affected

- `connext_professional >= 4.4a, < 6.1.2.26`
- `connext_professional >= 7.0.0, < 7.3.0.8`
- `connext_professional >= 7.4.0, < 7.6.0`

## Remediation

Upgrade past the affected range:

- `connext_professional 7.6.0`