High severity · published Oct 7, 2026
CVE-2026-19396
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…
7.7
CVSS
0.1%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Router · ASUS
3.0.0.6_102 series · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-19396
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-19396
www.asus.com
https://www.asus.com/security-advisory
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