Cyber Resilience

CVE-2025-53695

CriticalRCE

Published: 28 July 2025

Published
28 July 2025
Modified
15 April 2026
KEV Added
Patch
CVSS Score v4 9.4 CVSS:4.0/AV:N/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
EPSS Score 0.0162 82.2th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-53695 is a critical-severity OS Command Injection (CWE-78) vulnerability in Githubusercontent (inferred from references). Its CVSS base score is 9.4 (Critical).

Operationally, ranked in the top 17.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2025-53695 is an OS command injection vulnerability, tracked as CWE-78, that affects the web application component of iSTAR Ultra products. The flaw resides in firmware handling and permits an authenticated user to inject operating system commands through the web interface.

An attacker who already possesses valid credentials can exploit the issue over the network with low attack complexity. Successful exploitation grants the attacker root-level access to the device firmware, resulting in complete control over confidentiality, integrity, and availability of the affected system.

The single available reference is a disclosure text hosted on GitHub; it contains no public advisory text, patch details, or mitigation guidance. The associated EPSS score remains flat at 0.0162 with no material increase after publication, indicating limited observed exploitation interest to date.

EU & UK References

Vulnerability details

OS Command Injection in iSTAR Ultra products web application allows an authenticated attacker to gain even more privileged access ('root' user) to the device firmware.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Githubusercontent
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References