CVE-2026-27551

8.8 HIGH

Published16 Sept 2026

Description

A low-privileged remote attacker can exploit a command injection vulnerability in the /index.php/ajax/parameterManage endpoint using user credentials allowing execution of commands with root privileges on the device.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2026-27551 being actively exploited?

CVE-2026-27551 is not in the CISA KEV catalog.

How severe is CVE-2026-27551?

CVE-2026-27551 has a CVSS 3.1 base score of 8.8, rated high.

How do I fix CVE-2026-27551?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-27551 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.