Vilo Mesh WiFi System up to 5.16.1.33 local_app_set_router_wan pppoe_username/pppoe_password buffer overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in Vilo Mesh WiFi System up to 5.16.1.33. The impacted element is the function local_app_set_router_wan. Executing a manipulation of the argument pppoe_username/pppoe_password can lead to buffer overflow. The identification of this vulnerability is CVE-2024-40085. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Vilo Mesh WiFi System up to 5.16.1.33. It has been declared as critical. This vulnerability affects the function local_app_set_router_wan. The manipulation of the argument pppoe_username/pppoe_password with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A Buffer Overflow vulnerability in the local_app_set_router_wan function of Vilo 5 Mesh WiFi System <= 5.16.1.33 allows remote, unauthenticated attackers to execute arbitrary code via pppoe_username and pppoe_password fields being larger than 128 bytes in length.

This vulnerability was named CVE-2024-40085 since 07/05/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (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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