How to fix CVE-2025-63212?

Within 7 days: Identify affected systems and apply vendor patches promptly. Review data exposure and access controls.

Is Flexiva Lx100 Firmware affected by CVE-2025-63212?

CVE-2025-63212 presents notable security risk, a information exposure vulnerability rated CVSS 6.5. Sensitive information could be exposed to unauthorized parties. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

CVE-2025-63212

MEDIUM

2025-11-19 [email protected]

Information Disclosure Flexiva Lx100 Firmware Flexiva Lx300 Firmware Flexiva Lx600 Firmware Flexiva Lx1000 Firmware

6.5

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

PoC Detected

Jan 15, 2026 - 18:31 vuln.today

Public exploit code

CVE Published

Nov 19, 2025 - 20:15 nvd

MEDIUM 6.5

DescriptionNVD

GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log file located at /log/Flexiva%20LX.log. An unauthenticated attacker can retrieve valid session IDs and hijack sessions without providing any credentials. This attack requires the legitimate user (admin) to have previously closed the browser window without logging out.

AnalysisAI

GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log file located at. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. GatesAir Flexiva-LX devices on firmware 1.0.13 and 2.0, including models LX100, LX300, LX600, and LX1000, expose sensitive session identifiers (sid) in the publicly accessible log file located at /log/Flexiva%20LX.log. An unauthenticated attacker can retrieve valid session IDs and hijack sessions without providing any credentials. This attack requires the legitimate user (admin) to have previously closed the browser window without logging out. Affected products include: Gatesair Flexiva Lx100 Firmware, Gatesair Flexiva Lx300 Firmware, Gatesair Flexiva Lx600 Firmware, Gatesair Flexiva Lx1000 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

CVE-2025-63212 vulnerability details – vuln.today

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CVE-2025-63212

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code