CVE-2026-0405 is an authentication bypass vulnerability in NETGEAR Orbi devices. This vulnerability allows users connected to the local network to access the router web interface as an admin. The potential security implications are significant, as unauthorized access could lead to various forms of exploitation, including the manipulation of network settings and access to sensitive information.
The vulnerability has been classified with a CVSS score of 6.1, indicating a medium severity level. The attack vector is adjacent, which means exploitation is possible only from the local network. The attack complexity is low, suggesting that it may be relatively easy for an attacker to exploit the vulnerability if they have local access.
Risk to organizations includes unauthorized access to the router, which could lead to changes in network configuration, exposure of internal resources, and potential data breaches. Organizations should prioritize patching immediately to mitigate this vulnerability.
As of now, there are no known exploits for this vulnerability, but the potential for exploitation exists. It is crucial for organizations using NETGEAR Orbi devices to remain vigilant and ensure they apply the necessary security patches as soon as they become available.
Vulnerability Details
The official CVE description states: 'An authentication bypass vulnerability in NETGEAR Orbi devices allows users connected to the local network to access the router web interface as an admin.' This vulnerability is categorized under CWE-287, which pertains to improper authentication.
The CVSS version 4.0 vector for this vulnerability is CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H, indicating that it has high impacts on confidentiality, integrity, and availability. The affected products include various firmware versions of NETGEAR Orbi devices.
Technical Analysis
The root cause of this vulnerability stems from insufficient authentication checks within the NETGEAR Orbi devices. This flaw allows attackers on the local network to bypass authentication mechanisms, granting them administrative access to the router's web interface.
The attack vector is local, requiring presence on the same network as the affected device. Attack complexity is rated as low, indicating that an attacker does not need sophisticated skills to exploit this vulnerability. There is no user interaction required for the attack to be successful.
The vulnerability impacts the confidentiality, integrity, and availability of the affected systems, which could lead to unauthorized configuration changes and exposure of sensitive data.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2026-0405 is significant. Given that it allows local users to gain administrative access, the blast radius extends to any organization utilizing affected NETGEAR Orbi devices. Attackers may leverage this vulnerability to redirect traffic, conduct man-in-the-middle attacks, or disrupt network services.
With a CVSS score of 6.1, organizations should address this vulnerability in their priority patch cycle. The potential impact on business operations and sensitive data integrity underscores the urgency of remediation. Organizations should remain proactive in monitoring their networks for signs of unauthorized access.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following NETGEAR Orbi firmware versions are affected by this vulnerability: cbr750_firmware, nbr750_firmware, rbe370_firmware, rbe371_firmware, rbe372_firmware, rbe373_firmware, rbe374_firmware, rbe770_firmware, rbe771_firmware, rbe772_firmware, rbe773_firmware, rbe970_firmware, rbe971_firmware, rbr750_firmware, rbr840_firmware, rbr850_firmware, rbr860_firmware, rbs750_firmware, rbs840_firmware, rbs850_firmware, rbs860_firmware, rbre950_firmware, rbre960_firmware, rbse950_firmware, rbse960_firmware. Organizations should ensure that they are operating the latest firmware to mitigate this risk.
Mitigation & Remediation
To mitigate this vulnerability, organizations should apply patches provided by NETGEAR. It is crucial to upgrade to the latest firmware versions specified by the vendor. If immediate patching is not possible, organizations should implement network segmentation to limit access to the affected devices.
For detailed patch information and firmware updates, please refer to the NETGEAR Security Advisory available at NETGEAR Support. Additionally, organizations should consider implementing continuous monitoring for unauthorized access attempts and reviewing access controls.
Detection Guidance
Organizations should monitor their logs for any unusual access patterns to the router's web interface. Key indicators may include login attempts from unrecognized devices, changes in network configuration settings, and unexpected traffic patterns. Regular audits of access logs should be conducted to ensure the integrity of the network.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-0405 lies in its demonstration of the risks associated with inadequate authentication mechanisms in network devices. This incident highlights the necessity for manufacturers to prioritize security in firmware updates. Organizations must learn from this vulnerability and implement robust security policies to safeguard their networks.
As part of a proactive security strategy, organizations should consider engaging in continuous security testing to identify similar vulnerabilities in their environment. Additionally, investing in application security assessments can further strengthen defenses against potential threats.
Organizations should also remain informed about emerging threats and vulnerabilities through red teaming initiatives that simulate real-world attack scenarios.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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