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CVE-2026-9139

Taiko AG1000-01A Rev 7.3/8 Hard-coded Credentials via login.zhtml

Published: May 20, 2026Updated: May 20, 2026 Sources: CVE List NVD
NVD MITRE
9.8CVSS
CRITICAL

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-798

Affected Products

AG1000-01A SMS Alert Gateway
Taiko Network Communications Pte Ltd.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Credential Access
Initial Access
View detailed technique mapping

References

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

Timeline

Published
May 20, 2026
Last Updated
May 20, 2026

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