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

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

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

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.

AnalysisAI

Predictable session identifiers in Binardat 10G08-0800GSM network switch. Numeric session IDs are easily guessable, enabling session hijacking.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Enumerate predictable session IDs on web interface

Exploit

Guess valid authenticated session identifier

Execution

Inject hijacked session cookie

Impact

Access management functions as authenticated user

Access

Enumerate predictable session IDs on web interface

Exploit

Guess valid authenticated session identifier

Execution

Inject hijacked session cookie

Impact

Access management functions as authenticated user

Vulnerability AssessmentAI

Exploitation	Binardat 10G08-0800GSM network switch firmware versions prior to V300SP10260209 with web management interface enabled. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 9.1. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Attacker predicts numeric session ID to hijack active admin session on the network switch.
Remediation	Update firmware. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

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. …

Threat intelligence, references, and detailed analysis are available after sign-in.