SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2018-25134

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.

CRITICAL 9.3EPSS 0.64%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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
9.3 CRITICALCVSS: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/M
EPSS
0.64% probability · 50th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-306
Source
disclosure@vulncheck.com
EPSS trend
0%3%5%27 October 2026: 0.64%27 October 202627 October 2026

EPSS 0.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.