CVE-2025-27211
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 · uneditedAn Improper Input Validation in EdgeMAX EdgeSwitch (Version 1.10.4 and earlier) could allow a Command Injection by a malicious actor with access to EdgeSwitch adjacent network.
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 confidenceImproper input validation in EdgeMAX EdgeSwitch (versions 1.10.4 and earlier) allows an attacker with network adjacency to inject operating system commands. The vulnerability stems from insufficient sanitization of user-supplied input being passed to system calls.
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
- Adjacent
- Complexity
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:H/PR:N/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 EdgeSwitch firmware versionAccess the EdgeSwitch CLI or web interface and retrieve the firmware version from the system information or show version command. Common access methods include SSH to the management IP, console access, or the web GUI system status page.Affected if The installed firmware version is 1.10.4 or any earlier version (e.g., 1.10.3, 1.10.2, 1.9.x, etc.)
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Confirm management interface accessibilityDetermine whether the EdgeSwitch management interface (web UI or CLI over SSH/Telnet) is reachable from network segments that include untrusted parties. Check firewall rules, VLAN configurations, and interface IP assignments.Affected if The management interface is accessible from network segments beyond trusted administrative networks or the internet-facing interface
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Review system logs for suspicious activityExamine EdgeSwitch logs for unexpected commands, authentication anomalies, or indicators of command injection attempts. Use the show logging or similar log viewing commands available in the EdgeSwitch CLI.Affected if Logs contain evidence of unauthorized commands, unusual system calls, or authentication from unexpected sources
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Check for unauthorized configuration changesCompare the current running configuration against known-good baselines. Look for unexpected modifications to system settings, user accounts, or network parameters that were not authored by legitimate administrators.Affected if Configuration changes exist that were not made by known administrators or contain unexpected elements
The device is affected if it runs EdgeSwitch firmware version 1.10.4 or earlier and the management interface is network-accessible to untrusted parties.
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 EdgeSwitch firmware to a version beyond 1.10.4 that addresses the input validation flaw. If no upgrade is available, restrict network access to trusted parties and monitor for indicators of compromise.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-27211 — 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-2025-27211 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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