CVE-2025-53695
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedOS Command Injection in iSTAR Ultra products web application allows an authenticated attacker to gain even more privileged access ('root' user) to the device firmware.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceOS Command Injection vulnerability in the web application of iSTAR Ultra physical security devices. An authenticated attacker can inject arbitrary OS commands through the web interface, achieving root-level access to the device firmware. This allows complete compromise of the device's operating system and potentially the physical security system it controls.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- High
- Authentication
- X
- User interaction
- None
- Scope
- X
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
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the device modelAccess the device's web interface or physical label and confirm the model is iSTAR Ultra. Check the device's system information page or CLI output for the exact model designation.Affected if The device is not an iSTAR Ultra model, as this vulnerability only affects that specific product line.
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Confirm web interface is enabledVerify that the web management interface is accessible by attempting to reach the device's IP address on common HTTP/HTTPS ports (80, 443, 8080). Check the device configuration for web service status.Affected if The web interface is active and reachable, as the command injection occurs through this interface.
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Check authentication statusDetermine if any user accounts are configured or active on the device's web management interface. Review the device's user management or admin account settings.Affected if At least one user account exists with web interface access, as authentication is required to exploit this vulnerability.
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Determine firmware versionLocate the firmware version in the device's web interface (usually under System, Status, or About sections) or via CLI command such as 'show version' or 'system info'. Compare the installed version against any vendor-released updates for CVE-2025-53695.Affected if The installed firmware version predates the vendor patch for this vulnerability or no patch has been applied.
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Assess network exposureReview network configuration to determine if the web management interface is accessible from untrusted networks. Check firewall rules, ACLs, and VLAN assignments around the device.Affected if The web interface is exposed to networks outside the trusted administrative zone, increasing exploitability.
The environment is affected if the device is an iSTAR Ultra with the web interface enabled, at least one authenticated user account configured, and firmware that has not been updated to address CVE-2025-53695.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor-supplied firmware update for iSTAR Ultra devices; if unavailable, consider network segmentation to limit access to the web management interface to trusted administrative workstations only.
- Consultation4.0 h
- Implementation3.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-53695 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-53695 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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