CVE-2022-40994
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 · uneditedSeveral stack-based buffer overflow vulnerabilities exist in the DetranCLI command parsing functionality of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. A specially-crafted network packet can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This buffer overflow is in the function that manages the 'no firmwall keyword WORD description (WORD|null)' command template.
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 confidenceA stack-based buffer overflow vulnerability exists in the DetranCLI command parsing functionality of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020 routers. The vulnerability is located in the function handling the 'no firmwall keyword WORD description (WORD|null)' command template, where improper bounds checking allows a specially-crafted network packet to overflow the stack buffer and achieve arbitrary command execution.
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= g5.0.1.5-210720-141020CVSS 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
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/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 router modelCheck the device model or web interface to confirm the hardware is Siretta QUARTZ-GOLDAffected if The device is not a Siretta QUARTZ-GOLD router, then the CVE does not apply
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Check the firmware versionAccess the router CLI or web interface and retrieve the firmware version. Typically found via 'show version' command in CLI or system status page in web interfaceAffected if The installed firmware version is exactly g5.0.1.5-210720-141020, then the device is affected
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Verify if firmwall service is enabledIn the router CLI, check the firmwall configuration status using 'show firmwall' or similar command, or check via the web interface under firewall/security settingsAffected if The firmwall feature is enabled and running, then the vulnerable code path is active
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Confirm DetranCLI network accessibilityDetermine if the CLI interface (typically on port 23/telnet or 22/ssh) is exposed to the network. Check router firewall rules or port forwarding configurationsAffected if The DetranCLI is reachable from network (untrusted) sources, then the attack surface is exposed
A user is affected if they have a Siretta QUARTZ-GOLD router running firmware version g5.0.1.5-210720-141020 with the firmwall service enabled and the DetranCLI interface accessible from the network.
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 firmware patches when available; otherwise, restrict network access to the affected CLI interface and consider disabling the firmwall service if not required.
- 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.
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Free · runs locallyCheck whether your project pulls in CVE-2022-40994 — 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-2022-40994 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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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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