CVE-2021-45510
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 · uneditedNETGEAR XR1000 devices before 1.0.0.58 are affected by authentication bypass.
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 confidenceNETGEAR XR1000 routers before firmware version 1.0.0.58 contain an authentication bypass vulnerability that allows attackers to circumvent the device's authentication mechanisms, potentially gaining unauthorized administrative access to the router.
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< 1.0.0.58CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/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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Confirm device model is NETGEAR XR1000Log into the router web interface (typically http://192.168.1.1) and check the device model on the Dashboard or Administration page. Alternatively, check the product label on the router hardware itself.Affected if Device model is NETGEAR XR1000 and firmware version is below 1.0.0.58
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Check installed firmware versionIn the router web interface, navigate to Administration > Firmware Update or Router Settings > About. The current firmware version is displayed on this page.Affected if Firmware version shown is lower than 1.0.0.58 (for example, 1.0.0.54, 1.0.0.50, etc.)
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Verify firmware version via NETGEAR appOpen the NETGEAR Nighthawk or Orbi app (depending on device), select the XR1000 router, and check the firmware version displayed in the router status or settings area.Affected if App displays a firmware version below 1.0.0.58
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Check router login behaviorAttempt to access restricted router administrative pages without valid credentials. If pages are accessible or authentication can be bypassed, the vulnerability may be present.Affected if Administrative pages are accessible without proper authentication or authentication can be circumvented
The device is affected if it is a NETGEAR XR1000 router running firmware version 1.0.0.57 or earlier (any version below 1.0.0.58).
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 · scoped1.0.0.58
Update NETGEAR XR1000 firmware to version 1.0.0.58 or later to remediate the authentication bypass vulnerability.
Firmware version 1.0.0.58
- Log into the NETGEAR XR1000 router web management interface
- Navigate to the Administration or Firmware Update section
- Check the current firmware version under Router Info or similar
- Download firmware version 1.0.0.58 or later from the official NETGEAR support site (kb.netgear.com)
- In the Firmware Update section, upload the downloaded firmware file
- Allow the router to complete the update process and reboot automatically
- Verify the firmware has been updated to 1.0.0.58 or later after reboot
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2021-45510 — 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-2021-45510 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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