Vulnerability · Published Jun 18, 2024 · Assigned by zdi

CVE-2024-6145Actiontec WCB6200Q Cookie Format String Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity security flaw in WCB6200Q from Actiontec. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)1.2%top 31.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Actiontec WCB6200Q Cookie Format String Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Actiontec WCB6200Q routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP server. A crafted Cookie header in an HTTP request can trigger the use of a format specifier from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of the HTTP server. Was ZDI-CAN-21417.

Affected products (as reported)

Vendor	Product	Versions
Actiontec	WCB6200Q	1.2L.03.5

Weakness: CWE-134 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ZDI-24-808 x_research-advisory