CVE-2024-50997: r8500 Buffer Overflow — Fix

Description

Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to contain a stack overflow via the pptp_user_ip parameter at pptp.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

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CVSS v3.1 Score

5.7

MEDIUM

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

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
netgear	r8500_firmware	All
netgear	r8500	All
netgear	xr300_firmware	All
netgear	xr300	All
netgear	r7000p_firmware	All
netgear	r7000p	All
netgear	r6400v2_firmware	All
netgear	r6400v2	All

References

Advisories & Patches

https://www.netgear.com/about/security/

Other References

https://github.com/wudipjq/my_vuln/blob/main/Netgear4/vuln_43/43.md

Frequently Asked Questions

What is CVE-2024-50997? +

Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to contain a stack overflow via the pptp_user_ip parameter at pptp.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request. It has a CVSS v3.1 base score of 5.7 (MEDIUM).

How severe is CVE-2024-50997? +

CVE-2024-50997 has a CVSS v3.1 score of 5.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-50997? +

CVE-2024-50997 affects products from netgear, specifically: r6400v2, r6400v2_firmware, r7000p, r7000p_firmware, r8500, r8500_firmware, xr300, xr300_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-50997? +

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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