PT-2023-9250 · Actiontec · Actiontec Wcb6200Q

Logan Stratton · Published 2023-08-03 · Updated 2024-09-19 · CVE-2024-6146

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 stack-based buffer overflow in the uh get postdata withupload() function of the HTTP server in Actiontec WCB6200Q Wi-Fi range extenders. This allows a remote attacker to execute arbitrary code on affected installations without requiring authentication. The flaw exists due to the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer.

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

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2024-05722

CVE-2024-6146

ZDI-24-809

Affected Products

Actiontec Wcb6200Q

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2024-6146 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-24-809 · Security Note
• https://bdu.fstec.ru/vul/2024-05722 · Security Note
• https://osv.dev/vulnerability/CVE-2024-6146 · Vendor Advisory
• https://github.com/advisories/GHSA-vfp8-2c95-8f3h · Note
• https://t.me/cvenotify/95316 · Telegram Post
• https://t.me/cvenotify/83701 · Telegram Post