Vulnerability identifier: #VU93009

Vulnerability risk: Medium

CVSSv3.1: 8.1 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2024-6146

CWE-ID: CWE-121

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
WCB6200Q
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Actiontec

Description

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

The vulnerability exists due to a boundary error within the HTTP server in the uh_get_postdata_withupload function. A remote unauthenticated attacker on the local network can trigger 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

WCB6200Q: All versions

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External links
http://www.zerodayinitiative.com/advisories/ZDI-24-809/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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