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CVE-2026-73819

9.8 · CRITICAL

The affected Ebyte product's vendor configuration utility permits access to administrative functions without verifying the operator's identity under certain credential conditions.

Published Aug 31, 2026CWE-1390EPSS 0.53%

Overview

CVE-2026-73819 is a critical-severity vulnerability. It was published on August 31, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The affected Ebyte

product's vendor configuration utility permits access to administrative

functions without verifying the operator's identity under certain

credential conditions. An unauthenticated attacker on the adjacent

network could modify critical settings or change access credentials,

potentially preventing legitimate administrators from managing the

device.

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

GitHubgithub.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.jsonCISAwww.cisa.gov/news-events/ics-advisories/icsa-26-237-06

How CyberStrike helps

Frequently asked questions

What is CVE-2026-73819?

CVE-2026-73819 is a critical-severity vulnerability. It was published on August 31, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-73819?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-73819?

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-2026-73819?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-73819 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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