CVE-2022-40985
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 '(ddns1|ddns2) hostname WORD' 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 exists in the DetranCLI command parser of Siretta QUARTZ-GOLD routers (firmware G5.0.1.5-210720-141020). The vulnerability resides in the function handling DDNS hostname commands ('ddns1|ddns2 hostname WORD'), where insufficient bounds checking on the WORD parameter allows a specially-crafted network packet to overflow a 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 modelAccess the router's web administration interface or CLI and retrieve the device model information. Look for 'QUARTZ-GOLD' or 'Siretta' in the device info page or banner.Affected if The device is not a Siretta QUARTZ-GOLD router, then it is not affected.
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Check the installed firmware versionNavigate to the router's web interface status or system information page, or run 'version' or 'show version' in the CLI. Locate the firmware build string.Affected if The firmware version is NOT exactly 'g5.0.1.5-210720-141020' (case-insensitive match), then the specific vulnerability from this CVE does not apply.
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Verify CLI management interface accessibilityAttempt to access the CLI via telnet, SSH, or serial connection on the router. Check if the DetranCLI command parser is reachable.Affected if The CLI interface is not accessible (disabled or filtered), the exploit path is not available.
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Check DDNS configuration accessIn the router's web interface, navigate to the DDNS settings section (typically under Network or Advanced settings). Verify if the 'ddns1 hostname' or 'ddns2 hostname' configuration fields are present and editable.Affected if The DDNS hostname configuration interface is not exposed or available, the vulnerable command parser cannot be reached.
You are affected only if you have a Siretta QUARTZ-GOLD router running exactly firmware version g5.0.1.5-210720-141020 AND the CLI with DDNS hostname configuration is accessible on your 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 CLI management interface via firewall rules or disable remote CLI access to reduce attack surface.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2022-40985 — 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-2022-40985 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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