CVE-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.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.36%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-798 CWE-798

References

Other References

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

Frequently Asked Questions

What is CVE-2026-9139? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-9139? +

CVE-2026-9139 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-9139? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-3426

We observed that Intellispace Portal binaries doesn’t have any protection mechanisms to prevent reverse engineering. Specifically, the app’s code is …

CVE-2025-4049

Use of hard-coded, the same among all vulnerable installations SQLite credentials vulnerability in SIGNUM-NET FARA allows to read and manipulate …

CVE-2025-4569

An insecure sensitive key storage issue was found in MyASUS. potentially allowing unauthorized actor to obtain a token that could …

CVE-2025-4570

An insecure sensitive key storage issue was found in MyASUS. potentially allowing unauthorized actor to obtain a token that could …

CVE-2025-4041

In Optigo Networks ONS NC600 versions 4.2.1-084 through 4.7.2-330, an attacker could connect with the device's ssh server and utilize …

CVE-2025-2394

Ecovacs Home Android and iOS Mobile Applications up to version 3.3.0 contained embedded access keys and secrets for Alibaba Object …