---
id: CVE-2026-80149
title: >-
  Lantronix SLC8000 before firmware v9.7.0.3, SLC9000 before firmware v9.7.0.2,
  EMG8500/EMG7500 before firmware v9.7.0.1, and all firmware versions of SLB882
  contain a server-side request forgery vulnerability in the WebSSH/WebTelnet
  liste…
summary: >-
  Lantronix SLC8000 before firmware v9.7.0.3, SLC9000 before firmware v9.7.0.2,
  EMG8500/EMG7500 before firmware v9.7.0.1, and all firmware versions of SLB882
  contain a server-side request forgery vulnerability in the WebSSH/WebTelnet
  liste…
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-918
vendor: LANTRONIX
product: SLC8000
affected:
  - SLC8000 < 9.7.0.3
  - EMG8500 < 9.7.0.1
  - EMG7500 < 9.7.0.1
  - SLB882
  - SLC9000 < 9.7.0.2
published: '2026-09-22'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T14:16:59.067'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-80149'
references:
  - url: 'https://revrb.net/2026/09/21/revrb-lantern.html'
    label: disclosure@vulncheck.com
  - url: 'https://ts.lantronix.com/ftp/SLC9000/9.7.0.2R1/'
    label: disclosure@vulncheck.com
  - url: 'https://ts.lantronix.com/ftp/emg/EMG_7500/9.7.0.1R2/'
    label: disclosure@vulncheck.com
  - url: 'https://ts.lantronix.com/ftp/emg/EMG_8500/9.7.0.1R2/'
    label: disclosure@vulncheck.com
  - url: 'https://ts.lantronix.com/ftp/slc8000/9.7.0.3R3/'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/lantronix-autonomous-out-of-band-devices-webssh-ssrf-via-rooturl-parameter
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-22T15:41:42.950532Z'
epss: 0.0058
epssPercentile: 0.45458
ingestedAt: '2026-09-22T16:06:00.481Z'
---

## Overview

Lantronix SLC8000 before firmware v9.7.0.3, SLC9000 before firmware v9.7.0.2, EMG8500/EMG7500 before firmware v9.7.0.1, and all firmware versions of SLB882 contain a server-side request forgery vulnerability in the WebSSH/WebTelnet listener that allows unauthenticated attackers to cause the affected device to establish SSH connections to attacker-controlled endpoints. The custom shellinaboxd uses the rooturl parameter from the web connection to determine its own IP address; by modifying this parameter an attacker redirects the SSH terminal connection to an arbitrary host or IP. Attackers can use this capability to enumerate or communicate with internal network endpoints that would otherwise be inaccessible.

## Remediation

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