SevenCs ORCA G2 2.0.1.35 race condition

Summaryinfo

A vulnerability was found in SevenCs ORCA G2 2.0.1.35 and classified as critical. The affected element is an unknown function. Such manipulation leads to race condition. This vulnerability is traded as CVE-2025-61037. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in SevenCs ORCA G2 2.0.1.35 and classified as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A local privilege escalation vulnerability exists in SevenCs ORCA G2 2.0.1.35 (EC2007 Kernel v5.22). The flaw is a Time-of-Check Time-of-Use (TOCTOU) race condition in the license management logic. The regService process, which runs with SYSTEM privileges, creates a fixed directory and writes files without verifying whether the path is an NTFS reparse point. By exploiting this race condition, an attacker can replace the target directory with a junction pointing to a user-controlled path. This causes the SYSTEM-level process to drop binaries in a location fully controlled by the attacker, allowing arbitrary code execution with SYSTEM privileges. The vulnerability can be exploited by any standard user with only a single UAC confirmation, making it highly practical and dangerous in real-world environments.

The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2025-61037 since 09/26/2025. The exploitation is known to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

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

• SevenCs

Name

• ORCA G2

Version

• 2.0.1.35

CPE 2.3info

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CPE 2.2info

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