CVE-2025-53696

CRITICAL EPSS 0.9%

Published Jul 28, 202511mo ago · Modified Jun 17, 20262w ago

9.3 CVSS 4.0

Critical

Published Jul 28, 2025 11mo ago

Last Modified Jun 17, 2026 2w ago

Description

iSTAR Ultra performs a firmware verification on boot, however the verification does not inspect certain portions of the firmware. These firmware parts may contain malicious code. Tested up to firmware 6.9.2, later firmwares are also possibly affected.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:X/V:X/RE:X/U:X

Attack Vector Local

Attack Complexity Low

Privileges Required High

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

0.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-494

References 1

raw.githubusercontent.com https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/refs/heads/main/2025-03.txt

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.