Vilo Mesh WiFi System up to 5.16.1.33 JSON Field local_app_set_router_token buffer overflow

Summaryinfo

A vulnerability was found in Vilo Mesh WiFi System up to 5.16.1.33. It has been declared as critical. Impacted is the function local_app_set_router_token of the component JSON Field Handler. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2024-40083. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Vilo Mesh WiFi System up to 5.16.1.33 and classified as critical. Affected by this issue is the function local_app_set_router_token of the component JSON Field Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A Buffer Overflow vulnerabilty in the local_app_set_router_token function of Vilo 5 Mesh WiFi System <= 5.16.1.33 allows remote, unauthenticated attackers to execute arbitrary code via sscanf reading the token and timezone JSON fields into a fixed-length buffer.

This vulnerability is handled as CVE-2024-40083 since 07/05/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/22/2024).

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

• Wireless LAN Software

Vendor

• Vilo

Name

• Mesh WiFi System

Version

• 5.16.1.0
• 5.16.1.1
• 5.16.1.2
• 5.16.1.3
• 5.16.1.4
• 5.16.1.5
• 5.16.1.6
• 5.16.1.7
• 5.16.1.8
• 5.16.1.9
• 5.16.1.10
• 5.16.1.11
• 5.16.1.12
• 5.16.1.13
• 5.16.1.14
• 5.16.1.15
• 5.16.1.16
• 5.16.1.17
• 5.16.1.18
• 5.16.1.19
• 5.16.1.20
• 5.16.1.21
• 5.16.1.22
• 5.16.1.23
• 5.16.1.24
• 5.16.1.25
• 5.16.1.26
• 5.16.1.27
• 5.16.1.28
• 5.16.1.29
• 5.16.1.30
• 5.16.1.31
• 5.16.1.32
• 5.16.1.33

CPE 2.3info

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CPE 2.2info

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