CVE-2026-19396CWE-337

CVE-2026-19396

published October 7, 2026

CVSS
7.7
EPSS
0%
Percentile
2.2
In the wild
Unconfirmed
What it is

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 record
Technical detail
CVSS
7.7 · NONE
CVSS v4.0
7.7 · CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00127 · 2.2th percentile
Weakness
CWE-337 · Predictable Seed in Pseudo-Random Number Generator (PRNG)
Published
2026-10-07T06:16Z
References (1)
https://www.asus.com/security-advisory · 54bf65a7-a193-42d2-b1ba-8e150d3c35e1
EPSS history
Timeline
  • 08 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 07 OCT 02:07Z
    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…
    cvelistv5