CVE-2025-20617
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 · uneditedImproper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in UD-LT2 firmware Ver.1.00.008_SE and earlier. If an attacker logs in to the affected product with an administrative account and manipulates requests for a certain screen operation, an arbitrary OS command may be executed. This vulnerability was reported on a different screen operation from CVE-2025-26856.
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 UD-LT2 firmware Ver.1.00.008_SE and earlier allows authenticated administrators to execute arbitrary OS commands by manipulating requests during certain screen operations. The attacker must have valid administrative credentials to exploit this flaw, which stems from improper neutralization of special elements in user input used in OS command execution.
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
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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 administrative interface or check the device label/documentation to confirm the model is UD-LT2Affected if The device model is not UD-LT2 (different models are not affected)
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Check firmware versionNavigate to the device administrative interface system settings or firmware information page to locate the firmware version. Compare it to the affected version Ver.1.00.008_SEAffected if The installed firmware version is Ver.1.00.008_SE or any earlier version (e.g., Ver.1.00.007, Ver.1.00.006)
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Verify administrative access exposureReview network access controls, firewall rules, and authentication mechanisms protecting the device administrative web interface or management portsAffected if The administrative interface is accessible from untrusted networks or lacks strong authentication controls
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Audit for suspicious user accountsReview the device user account list for unauthorized administrative accounts or unexpected changes to existing administrator accountsAffected if Unexpected administrative accounts exist or account modifications were performed by unauthorized personnel
A user is affected if they have a UD-LT2 device running firmware Ver.1.00.008_SE or earlier AND the administrative interface is accessible to attackers who could obtain valid admin credentials.
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 dataUpgrade to firmware version beyond Ver.1.00.008_SE when a patched version is released. Until then, restrict administrative access to trusted personnel only and implement network segmentation to limit exposure.
- Consultation2.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,664.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-20617 — 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-2025-20617 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
- No spam, self-promotion, credentials, or personal data