Platform
linux
Component
anviz-cx7-firmware
CVE-2026-40461 describes a vulnerability affecting Anviz CX7 firmware versions 1.0.0 and earlier. This vulnerability allows unauthenticated attackers to modify debug settings via POST requests, potentially enabling features like SSH access. Successful exploitation can lead to unauthorized state changes and subsequent compromise of the device. A patched firmware version is required to address this issue.
The primary impact of CVE-2026-40461 is the ability for an attacker to gain unauthorized control over the Anviz CX7 device. By sending crafted POST requests, an attacker can modify debug settings without authentication. This could include enabling SSH, which would allow remote access and control. Furthermore, other debug settings could be altered to weaken security controls or expose sensitive information. The blast radius extends to any data stored or processed by the CX7, including access logs, user credentials, and potentially biometric data. While no direct precedent exists for this specific vulnerability, the ability to enable SSH remotely without authentication shares similarities with other remote access vulnerabilities that have been widely exploited.
CVE-2026-40461 was publicly disclosed on 2026-04-17. The EPSS score is currently pending evaluation, but the unauthenticated nature of the vulnerability suggests a potentially high probability of exploitation. No public proof-of-concept (POC) code has been released at the time of writing, but the simplicity of the attack vector makes it likely that a POC will emerge. Monitor security advisories and threat intelligence feeds for updates.
Exploit Status
EPSS
0.03% (10% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2026-40461 is to upgrade the Anviz CX7 firmware to a patched version as soon as it becomes available. Until a patch is available, network segmentation should be implemented to isolate the CX7 from critical systems. A Web Application Firewall (WAF) or proxy server can be configured to block POST requests to the debug endpoints. Specifically, rules should be created to deny requests to the /debug or similar paths that handle debug setting modifications. Monitor system logs for unusual POST requests targeting these endpoints. After upgrade, confirm by attempting a POST request to the debug endpoint and verifying that authentication is required.
Update the Anviz CX7 device firmware to the latest version provided by the manufacturer. Verify device security configuration, disabling unnecessary functions such as SSH if not used. Implement robust access controls to restrict access to device configuration.
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CVE-2026-40461 is a vulnerability in Anviz CX7 firmware allowing unauthenticated attackers to modify debug settings, potentially enabling SSH and facilitating compromise.
If you are using Anviz CX7 firmware version 1.0.0 or earlier, you are potentially affected by this vulnerability. Upgrade to a patched version as soon as available.
The recommended fix is to upgrade the Anviz CX7 firmware to a patched version. Until a patch is available, implement network segmentation and WAF rules to mitigate the risk.
While no active exploitation has been confirmed, the vulnerability's simplicity suggests a high likelihood of exploitation. Monitor security advisories and threat intelligence feeds.
Refer to the Anviz website and security advisories for the latest information and patch releases related to CVE-2026-40461.
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