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Vulnerability record · CVE-2018-25134 · published 24 December 2025

CVE-2018-25134: Missing authentication for critical function vulnerability

Synaccess netBooter NP-02x/NP-08x 6.8 contains an authentication bypass vulnerability in the webNewAcct.cgi script that allows unauthenticated attackers to create admin user accounts. Attackers can exploit the missing control check by sending crafted POST requests to create administrative accounts and gain unauthorized control over power supply management.

9.3 CVSS 4.0 Critical EPSS 0.64% · top 51.5% CWE-306 · Missing authentication for critical function Deferred
9.3CVSS 4.0 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

Synaccess netBooter NP-02x/NP-08x 6.8 contains an authentication bypass vulnerability in the webNewAcct.cgi script that allows unauthenticated attackers to create admin user accounts. Attackers can exploit the missing control check by sending crafted POST requests to create administrative accounts and gain unauthorized control over power supply management.

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:

References

LinkTags
https://www.exploit-db.com/exploits/45920
https://www.synaccess-net.com
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5500.php
https://www.exploit-db.com/exploits/45920
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5500.php

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Source: NIST National Vulnerability Database (record CVE-2018-25134), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.