ASUS Router 3.0.0.6_102 series Pairing Token Generation random values

Summaryinfo

A vulnerability described as problematic has been identified in ASUS Router 3.0.0.6_102 series. Affected by this issue is some unknown functionality of the component Pairing Token Generation. The manipulation results in random values. This vulnerability was named CVE-2026-19396. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in ASUS Router 3.0.0.6_102 series. It has been classified as problematic. Affected is an unknown code block of the component Pairing Token Generation. The manipulation with an unknown input leads to a random values vulnerability. CWE is classifying the issue as CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. This is going to have an impact on confidentiality. CVE summarizes:

A predictable seed in the pseudo-random number generator (PRNG) in the IFTTT pairing token generation of the ASUS RT-BE57 router allows an unauthenticated nearby user to derive the pairing token and read or modify router settings via observed values from an administrator-initiated IFTTT pairing session.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.

The advisory is shared for download at asus.com. This vulnerability is traded as CVE-2026-19396 since 08/10/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.

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-2026-94158). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Router Operating System

Vendor

• ASUS

Name

• Router

Version

• 3.0.0.6_102 series

License

• commercial

Website

• Vendor: https://www.asus.com/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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