What is the CVSS score of CVE-2025-63213?

CVE-2025-63213 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Which versions of Opera11 Firmware are affected by CVE-2025-63213?

CVE-2025-63213 presents critical security risk, a input validation vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2025-63213?

Yes, a public proof-of-concept exploit is available for CVE-2025-63213. Prioritise patching immediately. EPSS: 0.6%.

How to fix or mitigate CVE-2025-63213?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Opera11 Firmware CVE-2025-63213

CRITICAL

Improper Input Validation (CWE-20)

2025-11-19 cve@mitre.org

RCE Opera11 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

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:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

PoC Detected

Jan 15, 2026 - 18:49 vuln.today

Public exploit code

CVE Published

Nov 19, 2025 - 20:15 nvd

CRITICAL 9.8

DescriptionCVE.org

The QVidium Opera11 device (firmware version 2.9.0-Ax4x-opera11) is vulnerable to Remote Code Execution (RCE) due to improper input validation on the /cgi-bin/net_ping.cgi endpoint. An attacker can exploit this vulnerability by sending a specially crafted GET request with a malicious parameter to inject arbitrary commands. These commands are executed with root privileges, allowing attackers to gain full control over the device. This poses a significant security risk to any device running this software.

AnalysisAI

The QVidium Opera11 device (firmware version 2.9.0-Ax4x-opera11) is vulnerable to Remote Code Execution (RCE) due to improper input validation on the /cgi-bin/net_ping.cgi endpoint. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. The QVidium Opera11 device (firmware version 2.9.0-Ax4x-opera11) is vulnerable to Remote Code Execution (RCE) due to improper input validation on the /cgi-bin/net_ping.cgi endpoint. An attacker can exploit this vulnerability by sending a specially crafted GET request with a malicious parameter to inject arbitrary commands. These commands are executed with root privileges, allowing attackers to gain full control over the device. This poses a significant security risk to any device running this software. Affected products include: Qvidium Opera11 Firmware. Version information: version 2.9.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-63213 vulnerability details – vuln.today

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Opera11 Firmware CVE-2025-63213

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code