What is CVE-2026-9139?

CVE-2026-9139 is a critical-severity vulnerability in Taiko Network Communications Pte Ltd. Ag1000-01a Sms Alert Gateway, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-05-20.

How severe is CVE-2026-9139?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Taiko Network Communications Pte Ltd. Ag1000-01a Sms Alert Gateway

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…

EPSS: 0.002 (36.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Taiko Network Communications Pte Ltd. Ag1000-01a Sms Alert Gateway — versions Rev 7.3, Rev 8, UM-AG1000_R7.2

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-9139?: CVE-2026-9139 is a critical-severity vulnerability in Taiko Network Communications Pte Ltd. Ag1000-01a Sms Alert Gateway, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-05-20.
How severe is CVE-2026-9139?: Critical severity. CVSS v3 base score is 9.8 out of 10.