#VU69031 Stack-based buffer overflow in XR300

Vulnerability identifier: #VU69031

Vulnerability risk: Medium

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XR300
Hardware solutions / Routers for home users

Vendor: NETGEAR

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote authenticated attacker can trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

XR300: before 1.0.3.78

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External links
https://kb.netgear.com/000065316/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-XR300-PSV-2022-0140

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.