CVE-2026-35083
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 · uneditedA remote attacker with user privileges can exploit a stack buffer overflow to gain full system access as root.
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 confidenceA stack buffer overflow vulnerability allows an authenticated remote attacker with standard user privileges to overflow a stack-allocated buffer and execute arbitrary code with root-level system privileges, achieving full compromise of the affected system.
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< 6_00_07CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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 installed firmware versionAccess the device management interface or check the system firmware version through the administrative console, CLI, or firmware file metadata. Common locations include the web UI status page, 'show version' command in CLI, or the firmware file name itself.Affected if The firmware version is below 6_00_07 (for example, 6_00_06, 5_xx_xx, or earlier versions).
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Confirm the device is Mbs Solutions Universal GatewayVerify the product name and model through the administrative web interface, CLI 'show system-info' or similar command, or startup banner during boot-up.Affected if The device is identified as Mbs Solutions Universal Gateway with any firmware version prior to 6_00_07.
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Determine if remote authentication is enabledReview the gateway's authentication settings in the web management console under Security or Access Control sections, or check via CLI for remote access authentication configuration.Affected if Standard user accounts can authenticate remotely to the gateway services (web, SSH, API, or similar).
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Identify exposed network servicesScan the gateway's external IP addresses for open ports and services using network scanning tools (nmap -sV), or review the port forwarding/service exposure configuration in the device settings.Affected if The gateway has externally accessible services that accept authenticated user connections (web interface, API endpoints, management services).
You are affected if the device is running Mbs Solutions Universal Gateway Firmware versions prior to 6_00_07 and allows authenticated remote access to its services.
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.
dbcve · scoped6_00_07
Implement proper bounds checking on all stack-allocated buffers, replace unsafe string functions (e.g., strcpy, sprintf, gets) with bounded alternatives (e.g., strncpy, snprintf), and apply compiler-based mitigations like stack canaries. Prioritize patching given the high CVSS and trivial privilege escalation.
6_00_07
- Download Universal Gateway Firmware version 6_00_07 or later from the vendor's official support portal
- Verify the integrity of the firmware image using checksums provided by the vendor
- Access the device management interface or use the vendor-recommended firmware update procedure
- Upload and apply the firmware version 6_00_07
- After the update completes, verify the device is running the patched firmware version
- Confirm the stack buffer overflow vulnerability is no longer present
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 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 $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-35083 — 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-2026-35083 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
- No spam, self-promotion, credentials, or personal data