PT-2023-9254 · Actiontec · Actiontec Wcb6200Q

Logan Stratton · Published 2023-08-03 · Updated 2024-09-19 · CVE-2024-6142

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Actiontec WCB6200Q (affected versions not specified)

Description The issue is related to a buffer overflow vulnerability in the uh tcp recv content() function of the HTTP server in the Actiontec WCB6200Q Wi-Fi range extender's firmware. This vulnerability is caused by the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can exploit this vulnerability to execute arbitrary code on affected installations of Actiontec WCB6200Q routers without requiring authentication. The vulnerability exists within the HTTP server and can be leveraged by an attacker to execute code in the context of the HTTP server.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2024-05726

CVE-2024-6142

ZDI-24-805

Affected Products

Actiontec Wcb6200Q

References · 7

• https://zerodayinitiative.com/advisories/ZDI-24-805 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-6142 · Security Note
• https://bdu.fstec.ru/vul/2024-05726 · Security Note
• https://osv.dev/vulnerability/CVE-2024-6142 · Vendor Advisory
• https://t.me/cvenotify/95312 · Telegram Post
• https://t.me/cvenotify/83697 · Telegram Post
• https://vuldb.com/?id.268920 · Note