Moxa PT-7728/PT-7828/PT-G503/PT-G510/PT-G7728/PT-G7828 out-of-bounds write

Summaryinfo

A vulnerability marked as critical has been reported in Moxa PT-7728, PT-7828, PT-G503, PT-G510, PT-G7728 and PT-G7828. This affects an unknown function. This manipulation causes out-of-bounds write. This vulnerability appears as CVE-2024-7695. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Moxa PT-7728, PT-7828, PT-G503, PT-G510, PT-G7728 and PT-G7828. It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple switches are affected by an out-of-bounds write vulnerability. This vulnerability is caused by insufficient input validation, which allows data to be written to memory outside the bounds of the buffer. Successful exploitation of this vulnerability could result in a denial-of-service attack. This vulnerability poses a significant remote threat if the affected products are exposed to publicly accessible networks. Attackers could potentially disrupt operations by shutting down the affected systems. Due to the critical nature of this security risk, we strongly recommend taking immediate action to prevent its potential exploitation.

It is possible to read the advisory at moxa.com. This vulnerability is known as CVE-2024-7695 since 08/12/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/07/2025).

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

• Automation Software

Vendor

• Moxa

Name

• PT-7728
• PT-7828
• PT-G503
• PT-G510
• PT-G7728
• PT-G7828

License

• commercial

Website

• Vendor: https://www.moxa.com/

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