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Vulnerabilities

Vulnerability · CVE-2024-21833

TP-Link archer_ax3000_firmware Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Published Apr 10, 2026 · catalog updated Apr 10, 2026 · TP-Link

Patch now

CVE-2024-21833 is in the CISA known-exploited catalog. Confirm TP-Link against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.06%
Remediation
Remediation guidance
Affected products
vendor TP-Link archer_ax3000_firmware

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product to execute arbitrary OS commands. The affected device, with the initial configuration, allows login only from the LAN port or Wi-Fi.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor TP-Link archer_ax3000_firmwareversion unspecified

How to fix CVE-2024-21833

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-21833 is in the CISA known-exploited catalog. Confirm TP-Link against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 1.06%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 10, 2026 · VulnCheck KEV

    Detected

    Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product to execute arbitrary OS commands. The affected device, with the initial configuration, allows login only from the LAN port or Wi-Fi.

  2. Apr 10, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2024-21833

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-21833

    30-day exploitation probability 1.1%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2024-21833

    Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product to execute arbitrary OS commands. The affected device, with the initial configuration, allows login only from the LAN port or Wi-Fi.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.