CVE-2024-7755
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 · uneditedThe EWON FLEXY 202 transmits credentials using a weak encoding method base64. An attacker who is present in the network can sniff the traffic and decode the credentials.
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 confidenceThe EWON FLEXY 202 industrial router transmits user credentials using base64 encoding rather than proper encryption. An attacker with network proximity can sniff the traffic and trivially decode the base64-encoded credentials to obtain plaintext usernames and passwords.
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
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/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.
-
Confirm device modelAccess the device web interface or check physical device label to verify the model is EWON FLEXY 202Affected if Device is an EWON FLEXY 202 industrial router
-
Check for HTTP accessAttempt to access the device web interface over HTTP (port 80) rather than HTTPS. If the login page loads over HTTP, unencrypted access is enabled.Affected if HTTP (unencrypted) access is enabled on the device
-
Inspect network trafficUse a packet capture tool (such as Wireshark) on the network segment to capture traffic during login. Look for HTTP POST requests containing base64-encoded strings in the data payload.Affected if Login traffic contains base64-encoded credentials transmitted in plaintext
-
Verify TLS/SSL encryption settingsCheck the device configuration menu under Network or Security settings to determine if TLS/SSL encryption is enabled for the web interface and remote access.Affected if TLS/SSL encryption is disabled or not configured for remote access communications
-
Check firmware versionIf accessible, check the device firmware version through the web interface status page or system information section. Compare against any vendor-released fixed versions.Affected if Firmware version predates vendor security patches for proper credential encryption
A user is affected if they operate an EWON FLEXY 202 device with unencrypted HTTP access enabled, allowing base64-encoded credentials to be sniffed from network traffic.
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 dataEnable TLS/SSL encryption for all remote access communications, implement VPN tunnels for out-of-band management, and apply network segmentation to limit exposure. Contact vendor for firmware updates addressing proper credential encryption.
- Consultation4.0 h
- Implementation8.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-7755 — 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-2024-7755 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