CVE-2026-22623
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 · uneditedDue to insufficient input parameter validation on the interface, authenticated users of certain HIKSEMI NAS products can execute arbitrary commands on the device by crafting specific messages.
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 confidenceThis is an authenticated command injection vulnerability in HIKSEMI NAS products. Due to insufficient input parameter validation on the interface, authenticated users can execute arbitrary commands on the device by crafting specific messages. The vulnerability requires authentication but allows complete system compromise through the web interface.
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:3.1/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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Confirm HIKSEMI NAS productIdentify the device manufacturer and model through device labeling, web interface footer, or SNMP/sysinfo queries. HIKSEMI NAS devices typically display the brand in the login page or admin dashboard.Affected if The device is a HIKSEMI NAS product with web management interface
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Check web interface statusVerify whether the NAS web management interface is accessible on the device (typically ports 80/443 or custom HTTP/HTTPS ports). Attempt access to the login page.Affected if The web interface is exposed and reachable on the network
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Determine installed firmware versionLog into the web interface as an administrator and navigate to System Settings, About, or Firmware Information page to retrieve the exact firmware version. Alternatively, check via CLI if SSH/telnet access is available.Affected if The installed firmware version matches or falls within an affected version range (compare against vendor security advisories)
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Review authentication and command execution logsExamine system logs, access logs, and audit trails for any suspicious commands, unexpected API calls, or actions performed by user accounts, particularly those involving shell execution or system commands.Affected if Logs show unauthorized or unexpected command executions, especially involving shell interpreters or system utilities
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Inspect user accounts and sessionsCheck the list of registered users, recent login sessions, and active admin sessions through the web interface or system logs for any unauthorized or anomalous accounts.Affected if Unknown user accounts exist or sessions show commands originating from unexpected sources
A defender is affected if they operate a HIKSEMI NAS device with an accessible web interface and authenticated user access, where the installed firmware version matches known vulnerable versions.
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 patches when available; restrict network access to the NAS management interface to trusted users; monitor for unauthorized access attempts; consider network segmentation for NAS devices.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 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 $4,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-22623 — 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-2026-22623 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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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