Tenda AC9 15.03.06.42 httpd formWriteFacMac command injection

Summaryinfo

A vulnerability classified as critical has been found in Tenda AC9 15.03.06.42. The impacted element is the function formWriteFacMac of the file httpd. Performing a manipulation results in command injection. This vulnerability is known as CVE-2024-42634. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Tenda AC9 15.03.06.42. It has been classified as critical. This affects the function formWriteFacMac of the file httpd. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A Command Injection vulnerability exists in formWriteFacMac of the httpd binary in Tenda AC9 v15.03.06.42. As a result, attacker can execute OS commands with root privileges.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2024-42634 since 08/05/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/20/2024). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

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Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• AC9

Version

• 15.03.06.42

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

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Duplicate

• Submit #XXXXXX: Xxxxx Xxx Xxxxx.x_xxx.xx.xx.xx(xxxx) Xxxxxxx Xxxxxxxxx (by n0ps1ed)

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