What is the CVSS score of CVE-2026-27515?

CVE-2026-27515 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of 10g08 0800gsm Firmware are affected by CVE-2026-27515?

A critical vulnerability in Binardat 10G08 network switches allows attackers to hijack authenticated management sessions by guessing predictable session identifiers, potentially granting unauthorized…

How to fix or mitigate CVE-2026-27515?

Within 24 hours: Identify all Binardat 10G08-0800GSM switches in your environment and document current firmware versions; restrict web management access to trusted IP ranges only. Within 7 days: Implement network segmentation to isolate management interfaces; enable audit logging for all web management activity; consider disabling web management if out-of-band management alternatives exist. Within 30 days: Develop and test upgrade plan to firmware V300SP10260209 or later; coordinate with vendor for patch availability and timeline; execute firmware upgrades in controlled maintenance windows.

10g08 0800gsm Firmware CVE-2026-27515

CRITICAL

Use of Insufficiently Random Values (CWE-330)

2026-02-24 disclosure@vulncheck.com

Information Disclosure 10g08 0800gsm Firmware Binardat

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 24, 2026 - 16:24 nvd

CRITICAL 9.1

DescriptionCVE.org

Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 generate predictable numeric session identifiers in the web management interface. An attacker can guess valid session IDs and hijack authenticated sessions.