CVE-2022-45708
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 · uneditedIP-COM M50 V15.11.0.33(10768) was discovered to contain a buffer overflow via the sPortMapIndex parameter in the formDelPortMapping function.
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 buffer overflow vulnerability exists in the IP-COM M50 router firmware V15.11.0.33(10768) within the formDelPortMapping function. The sPortMapIndex parameter lacks proper bounds checking, allowing an attacker to overflow the buffer by supplying an oversized value. This remote unauthenticated vulnerability carries a CVSS 9.8 critical rating due to the potential for complete device compromise.
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= 15.11.0.33CVSS 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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Verify the exact firmware versionAccess the router admin interface and navigate to System Settings > Firmware Version, or check the firmware file metadata if you have the binaryAffected if The firmware version is exactly 15.11.0.33
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Confirm the management web interface is exposedCheck if the router's HTTP/HTTPS ports (typically 80/443) are accessible from untrusted networks using a port scan or by reviewing firewall rulesAffected if The management interface is reachable from external/ untrusted networks (this is required for unauthenticated exploitation)
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Identify if UPnP or port mapping features are activeCheck the router admin UI under Advanced Settings > NAT > Port Mapping or UPnP settings, or inspect /etc/config/nat or similar config files via SSH if availableAffected if Port mapping or UPnP features are enabled and exposed (the vulnerable formDelPortMapping function handles these operations)
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Review device network accessibilityPerform a network scan to determine if the device management IP is on a trusted VLAN or directly exposed to the internetAffected if The device has a public IP or is on a segment accessible to untrusted users
You are affected if your IP-COM M50 router runs firmware version 15.11.0.33 and its management interface or port mapping features are accessible from untrusted network segments.
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-provided firmware patch when available; until then, restrict network access to the device's management interface to trusted sources only.
- Consultation4.0 h
- Implementation8.0 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 $6,656.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-45708 — 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-2022-45708 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
- No weaponised exploit code, or anything meant to cause harm
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