CVE-2022-25727
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 · uneditedMemory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
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 confidenceMemory corruption vulnerability in Snapdragon modem components due to improper length validation during memory copy operations. This buffer overflow allows writing beyond allocated buffer boundaries, potentially leading to arbitrary code execution or denial of service in the modem subsystem.
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 dataall versionsall versionsall versionsall versionsall versionsall versionsall versionsall versionsCVSS 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 Qualcomm modem hardwareInventory system hardware or firmware components to determine if any of these chips are present: Ar8031, Csra6620, Csra6640, Mdm8207, Mdm9205, Mdm9206, Mdm9207, or Mdm9607. Check device specifications, hardware BOM, or firmware manifests.Affected if Any of the listed Qualcomm modem chipsets are present in the system
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Check modem firmware versionQuery the modem subsystem firmware version through vendor-specific diagnostic interfaces, AT command interfaces (for cellular modems), or by reading firmware version registers. Common commands include 'AT+CGMR' or proprietary firmware version queries.Affected if The firmware version matches any of the affected product lines (Ar8031, Csra6620, Csra6640, Mdm8207, Mdm9205, Mdm9206, Mdm9207, Mdm9607)
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Verify modem component is activeConfirm the modem subsystem is powered on and operational. Check system logs for modem initialization messages, verify modem network registration status, or query modem power state through device management interfaces.Affected if The modem component is powered on and actively processing operations
The environment is affected if any of the listed Qualcomm modem chipsets (Ar8031, Csra6620, Csra6640, Mdm8207, Mdm9205, Mdm9206, Mdm9207, Mdm9607) are present and the modem is active, since all firmware versions of these products are vulnerable.
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-supplied firmware patches for the affected Snapdragon modem components; prioritize patching given the critical CVSS score and the vulnerability's presence in a critical infrastructure component.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-25727 — 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-2022-25727 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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