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CVE-2026-80148

8.6 · HIGH

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 vul…

Published Sep 22, 2026CWE-918EPSS 0.58%

Overview

CVE-2026-80148 is a high-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 8.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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 builds its SSH connection target using a snprintf call with user-supplied input; by supplying an overlong username string an attacker causes the device IP suffix to be truncated, redirecting the resulting connection to an arbitrary host. Attackers can use this capability to enumerate or communicate with internal network endpoints that would otherwise be inaccessible.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refrevrb.net/2026/09/21/revrb-lantern.htmlRefts.lantronix.com/ftp/SLC9000/9.7.0.2R1/Refts.lantronix.com/ftp/emg/EMG_7500/9.7.0.1R2/Refts.lantronix.com/ftp/emg/EMG_8500/9.7.0.1R2/Refts.lantronix.com/ftp/slc8000/9.7.0.3R3/Refwww.vulncheck.com/advisories/lantronix-autonomous-out-of-band-devices-webssh-ssrf-via-username-truncation

How CyberStrike helps

Frequently asked questions

What is CVE-2026-80148?

CVE-2026-80148 is a high-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 8.6 (HIGH).

How severe is CVE-2026-80148?

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-80148?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-80148?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-80148 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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