---
title: "CVE-2026-80148: Lantronix SLC8000 - Server Side Request Forgery"
description: "Lantronix SLC8000 < 9.7.0.3, EMG8500/EMG7500 < 9.7.0.1, and all SLB882 firmware versions contain a server-side request forgery caused by improper input handling in WebSSH/WebTelnet listener, letting unauthenticated attackers redirect SSH connections to attacker-controlled hosts, exploit requires sending crafted overlong username strings."
url: https://panop.io/threat-heartbeat/CVE-2026-80148/
---

# CVE-2026-80148 Lantronix SLC8000 - Server Side Request Forgery

Lantronix SLC8000 < 9.7.0.3, EMG8500/EMG7500 < 9.7.0.1, and all SLB882 firmware versions contain a server-side request forgery caused by improper input handling in WebSSH/WebTelnet listener, letting unauthenticated attackers redirect SSH connections to attacker-controlled hosts, exploit requires sending crafted overlong username strings.

CVSS base score 8.6 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.58% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-80148)

## Details

Type

Server Side Request Forgery

Impact

Server Side Request Forgery

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Published

22 September 2026

Updated

15 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Update to firmware v9.7.0.3 for SLC8000, v9.7.0.1 for EMG8500/EMG7500, or latest available version for SLB882.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-80148](https://nvd.nist.gov/vuln/detail/CVE-2026-80148)
- [https://ts.lantronix.com/ftp/slc8000/9.7.0.3R3/](https://ts.lantronix.com/ftp/slc8000/9.7.0.3R3/)
- [https://www.vulncheck.com/advisories/lantronix-autonomous-out-of-band-devices-webssh-ssrf-via-username-truncation](https://www.vulncheck.com/advisories/lantronix-autonomous-out-of-band-devices-webssh-ssrf-via-username-truncation)
- [https://ts.lantronix.com/ftp/SLC9000/9.7.0.2R1/](https://ts.lantronix.com/ftp/SLC9000/9.7.0.2R1/)
- [https://revrb.net/2026/09/21/revrb-lantern.html](https://revrb.net/2026/09/21/revrb-lantern.html)
- [https://ts.lantronix.com/ftp/emg/EMG\_7500/9.7.0.1R2/](https://ts.lantronix.com/ftp/emg/EMG_7500/9.7.0.1R2/)
- [https://ts.lantronix.com/ftp/emg/EMG\_8500/9.7.0.1R2/](https://ts.lantronix.com/ftp/emg/EMG_8500/9.7.0.1R2/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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