ASUS Router 3.0.0.4_386/3.0.0.4_388/3.0.0.6_102 stack-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in ASUS Router 3.0.0.4_386/3.0.0.4_388/3.0.0.6_102. This affects an unknown part. Performing a manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2025-59365. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in ASUS Router 3.0.0.4_386/3.0.0.4_388/3.0.0.6_102. This affects some unknown functionality. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on availability. The summary by CVE is:

A stack buffer overflow vulnerability has been identified in certain router models. An authenticated attacker may trigger this vulnerability by sending a crafted request, potentially impacting the availability of the device. Refer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.

The advisory is shared at asus.com. This vulnerability is uniquely identified as CVE-2025-59365 since 09/15/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/25/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-199585). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• ASUS

Name

• Router

Version

• 3.0.0.4_386
• 3.0.0.4_388
• 3.0.0.6_102

License

• commercial

Website

• Vendor: https://www.asus.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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