Actiontec WCB6200Q 1.2L.03.5 HTTP Server stack-based overflow

Summaryinfo

A vulnerability labeled as critical has been found in Actiontec WCB6200Q 1.2L.03.5. Impacted is an unknown function of the component HTTP Server. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2024-6144. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Actiontec WCB6200Q 1.2L.03.5. Affected by this issue is an unknown part of the component HTTP Server. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Actiontec WCB6200Q Multipart Boundary Stack-based Buffer Overflow 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. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the HTTP server. Was ZDI-CAN-21416.

The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2024-6144 since 06/18/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/19/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Actiontec

Name

• WCB6200Q

Version

• 1.2L.03.5

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

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