CVE-2026-9139

CRITICAL EPSS 36.1%

Published May 20, 20261mo ago · Modified Jun 17, 20262w ago

9.3 CVSS 4.0

Critical

Published May 20, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

36.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-798 Use of Hard-coded Credentials Authentication

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.