CVE-2026-0653
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 · uneditedOn TP-Link Tapo C260 v1 and D235 v1, a guest‑level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited privileges. An attacker may change sensitive configuration parameters without authorization, resulting in unauthorized device state manipulation but not full code execution.
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 vertical privilege escalation vulnerability in TP-Link Tapo C260 v1 and D235 v1 allows guest-level authenticated users to bypass access controls on a synchronization endpoint. By sending crafted requests, attackers can modify protected device settings that should require higher privileges, enabling unauthorized device state manipulation without achieving full code 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< 1.1.9CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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 device modelAccess the TP-Link Tapo app or device web interface to confirm the exact model number is Tapo C260 v1 or D235 v1Affected if Device is a Tapo C260 v1 or D235 v1
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Check firmware versionIn the Tapo app, go to Device Settings > Device Info to view the current firmware version. For C260, compare against 1.1.9Affected if Firmware version is below 1.1.9 for C260 (version range for D235 not specified)
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Verify guest account statusIn the Tapo app, check Device Settings > Guest Network or account management to see if guest-level accounts are enabledAffected if Guest accounts are enabled and active on the device
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Audit recent configuration changesReview device logs or configuration history for unexpected changes to protected settings (such as network configuration, motion detection settings, or automation rules) that were not made by an admin accountAffected if Configuration changes exist that were not initiated by an administrator-level account
The device is affected if it is a Tapo C260 v1 (firmware below 1.1.9) or D235 v1 with guest accounts enabled, and unauthorized configuration changes are present in the logs.
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.
dbcve · scoped1.1.9
Apply vendor firmware updates from TP-Link when available; until then, restrict guest-level account access and monitor for unauthorized configuration changes.
Firmware version 1.1.9 or later for Tapo C260 (and corresponding fix for D235 v1)
- 1. Access the Tapo C260 device through its mobile app or web interface
- 2. Navigate to the device settings or firmware update section
- 3. Check the current firmware version to confirm it is below 1.1.9
- 4. Download firmware version 1.1.9 or later from the official TP-Link support website (www.tp-link.com)
- 5. Follow TP-Link's standard firmware upgrade procedure to apply the update
- 6. After upgrading, verify the new firmware version is 1.1.9 or higher
- 7. Confirm the access control vulnerability is resolved by testing with a guest-level account
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation2.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-0653 — 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-2026-0653 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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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