CVE-2023-41183: rbr760 Missing Auth — Fix

Description

NETGEAR Orbi 760 SOAP API Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR Orbi 760 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the SOAP API. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20524.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-306 Missing Authentication

Affected Products

Vendor	Product	Versions
netgear	rbr760_firmware	< 6.3.8.5
netgear	rbr760	All

References

Advisories & Patches

https://kb.netgear.com/000065734/Security-Advisory-for-Authentication-Bypass-on-the-RBR760-PSV-2023-0052 https://kb.netgear.com/000065734/Security-Advisory-for-Authentication-Bypass-on-the-RBR760-PSV-2023-0052

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-1283/ https://www.zerodayinitiative.com/advisories/ZDI-23-1283/

Frequently Asked Questions

What is CVE-2023-41183? +

NETGEAR Orbi 760 SOAP API Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR Orbi 760 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the SOAP API. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20524. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-41183? +

CVE-2023-41183 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-41183? +

CVE-2023-41183 affects products from netgear, specifically: rbr760, rbr760_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-41183? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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