Overview
CVE-2025-54106 is a significant vulnerability that affects Windows Routing and Remote Access Service (RRAS), a crucial service offering routing functionalities for businesses in a wide range of industries. This vulnerability, caused by an integer overflow or wraparound, could potentially allow an unauthorized attacker to execute code remotely over a network. The risk this presents is substantial as it could lead to potential system compromise or data leakage, posing serious threats to both data integrity and privacy.
Vulnerability Summary
CVE ID: CVE-2025-54106
Severity: High (8.8 CVSS score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Windows RRAS | All versions prior to the patch
How the Exploit Works
The exploit takes advantage of an integer overflow or wraparound in Windows RRAS. Integer overflow can be caused when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of bits – either higher than the maximum or lower than the minimum representable value. The attacker manipulates the system to cause such an overflow, which can lead to unpredictable behavior. In this case, it allows unauthorized code execution over a network, potentially leading to system compromise or data leakage.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited. This pseudocode represents the malicious payload sent over the network to trigger the integer overflow:
def exploit(target):
MAX_INT = 2147483647
overflow = MAX_INT + 1
payload = {
"malicious_data": overflow
}
send_payload(target, payload)In this conceptual example, the attacker sends a payload with a value that exceeds the maximum integer value, triggering the overflow.
Please note that this is a simplified conceptual representation and actual exploitation would require a deeper understanding of the system’s architecture and the RRAS service.
