LS Electric GMWin 4 4.18 PRJ File Parser heap-based overflow

Summaryinfo

A vulnerability labeled as critical has been found in LS Electric GMWin 4 4.18. This affects an unknown part of the component PRJ File Parser. The manipulation results in heap-based overflow. This vulnerability was named CVE-2025-49850. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in LS Electric GMWin 4 4.18. Affected is an unknown part of the component PRJ File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A Heap-based Buffer Overflow vulnerability exists within the parsing of PRJ files. The issues result from the lack of proper validation of user-supplied data, which can result in different memory corruption issues within the application, such as reading and writing past the end of allocated data structures.

The weakness was presented by Michael Heinzl as icsa-25-168-02. The advisory is available at cisa.gov. This vulnerability is traded as CVE-2025-49850 since 06/11/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. 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 06/17/2025).

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

Vendor

• LS Electric

Name

• GMWin 4

Version

• 4.18

CPE 2.3info

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CPE 2.2info

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