CVE-2022-22274
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 Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.
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 SonicOS, the operating system running on SonicWall firewalls. The flaw is triggered via a specially crafted HTTP request sent to the firewall's management interface. A remote unauthenticated attacker can exploit this to cause a denial of service condition or potentially achieve arbitrary code execution on the affected firewall device.
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<= 7.0.1-5050<= 7.0.1-r579<= 6.5.4.4-44v-21-1452CVSS 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 SonicOS versionLog into the firewall management interface (web GUI or CLI) and locate the firmware/OS version information, typically found in System > Status or displayed on the login pageAffected if The displayed version falls within <= 7.0.1-5050, <= 7.0.1-r579 (for Sonicos), or <= 6.5.4.4-44v-21-1452 (for Sonicosv)
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Determine if HTTP management is enabledNavigate to the management settings in the SonicWall interface (usually under System > Administration or Network > Interfaces) and verify whether HTTP (port 80) management access is enabledAffected if HTTP management is enabled on any interface that is accessible to untrusted networks
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Check management interface exposureReview the network interface bindings for the management service to determine which interfaces have HTTP management enabled. Look for WAN or external-facing interfaces with management access permittedAffected if HTTP management is bound to WAN, external, or any interface reachable from untrusted networks rather than only localhost or internal trusted networks
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Verify firewall rule configurationInspect the access rules or firewall policy rules to confirm whether inbound HTTP traffic to the management interface from external/untrusted sources is permittedAffected if There are firewall rules allowing inbound HTTP traffic from untrusted zones to the firewall's management IP addresses
A user is affected if the firewall runs an affected SonicOS version AND has HTTP management interface enabled and accessible from untrusted networks.
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 the vendor patch from SonicWall immediately. If patching is not immediately possible, restrict management interface access to trusted IP addresses or networks, or disable HTTP management access entirely and use only SSH or other secure channels.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2022-22274 — 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-2022-22274 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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- Version or environment caveats, and links to real fixes
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