---
id: CVE-2026-88738
title: Jazzware RT1000 Edge webUI v
summary: >-
  Jazzware RT1000 Edge webUI v. 20.0.1 contains an unrestricted file upload
  vulnerability in the upgrade package upload functionality. An attacker with
  administrative privileges can upload a server-side executable file. The
  uploaded file i…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
published: '2026-09-21'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:43:52.337'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88738'
references:
  - url: >-
      https://lcybersec.notion.site/CVE-2026-88738-Unrestricted-file-upload-vulnerability-resulting-in-remote-code-execution-in-Jazzwa-3e06e8f484b5809e9eb3ffa705995d22
    label: cve@mitre.org
  - url: >-
      https://lcybersec.notion.site/CVE-2026-88738-Unrestricted-file-upload-vulnerability-resulting-in-remote-code-execution-in-Jazzwa-3e06e8f484b5809e9eb3ffa705995d22
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.0086
epssPercentile: 0.56763
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-22T14:23:07.923010Z'
ingestedAt: '2026-09-21T21:53:57.429Z'
---

## Overview

Jazzware RT1000 Edge webUI v. 20.0.1 contains an unrestricted file upload vulnerability in the upgrade package upload functionality. An attacker with administrative privileges can upload a server-side executable file. The uploaded file is stored in a web-accessible executable location and can be accessed directly over HTTP without authentication, resulting in remote code execution.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.