CVE-2026-27519
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 · uneditedBinardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior use RC4 with a hard-coded key embedded in client-side JavaScript. Because the key is static and exposed, an attacker can decrypt protected values and defeat confidentiality protections.
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 · high confidenceThe Binardat 10G08-0800GSM network switch firmware uses RC4 encryption with a hardcoded key embedded in client-side JavaScript. Since the encryption key is static and exposed in browser-accessible code, attackers can trivially recover the key and decrypt any protected values, completely defeating confidentiality protections.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= V300SP10260209CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
-
Identify the device modelAccess the switch web interface or check the device label to confirm the model is Binardat 10G08-0800GSMAffected if The device is not a Binardat 10G08-0800GSM model
-
Check the firmware versionNavigate to the firmware or system information page in the web interface, or use the command line interface to retrieve the firmware version stringAffected if The firmware version is V300SP10260209 or any version prior to it
-
Examine JavaScript files for hardcoded keysInspect the web interface source code, specifically looking for JavaScript files that contain hardcoded encryption keys or RC4-related functionsAffected if JavaScript code contains a static RC4 key string used for encrypting data
-
Verify if sensitive data uses this encryptionLog in to the web interface and observe which values or configuration fields are encrypted (appear as encoded strings) versus plaintextAffected if User credentials, configuration values, or other sensitive data are transmitted or stored using RC4 encryption with the exposed key
A user is affected if they are running Binardat 10G08-0800GSM firmware at version V300SP10260209 or earlier and the web interface contains hardcoded RC4 keys in JavaScript used to protect sensitive data.
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 dataReplace the deprecated RC4 cipher with a modern authenticated encryption algorithm (e.g., AES-256-GCM or ChaCha20-Poly1305) and implement dynamic key derivation or negotiation rather than hardcoding keys in client-side code. Coordinate with the vendor for a firmware update.
- Consultation6.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $9,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-27519 — 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-2026-27519 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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
- No spam, self-promotion, credentials, or personal data