CVE-2026-9139CRITICAL 9.8EPSS p35.9%

CVE-2026-9139CVE-2026-9139

Description

Taiko AG1000-01A SMS Alert Gateway Rev 7.3 and Rev 8 contains a hard-coded credential vulnerability in the embedded web configuration interface where authentication is implemented entirely in client-side JavaScript in login.zhtml, exposing static plaintext credentials in the page source. Unauthenticated attackers with network access can recover administrative credentials directly from the client-side validate() function to obtain full administrative access to the device.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.45% probability of exploitation · percentile 35.9% · 2026-06-19T12:03:05Z
Published2026-05-20
Last modified2026-05-21

Underlying weaknesses· 1

CWE-798

References

  1. https://medium.com/@forgetmen0t/multiple-vulnerabilities-in-taiko-ag1000-01a-sms-alert-gateway-82095b1d633e
  2. https://www.vulncheck.com/advisories/taiko-ag1000-01a-rev-8-hard-coded-credentials-via-login-zhtml

1

TypeTargetConfidenceTier
WeaknessUse of Hard-coded Credentialscwe-7980%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.