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Vulnerabilities

Vulnerability · CVE-2026-5153

A flaw has been found in Tenda CH22 1.0.0.1.

Published Mar 30, 2026 · catalog updated Sep 1, 2026 · Tenda

Patch now

CVE-2026-5153 is in the CISA known-exploited catalog. Confirm Tenda against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Low2.1
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
6.47%
Remediation
Remediation guidance
Affected products
cpe tenda/ch22 firmware · vendor Tenda ch22_firmware

A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used.

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.

  • cpe tenda/ch22 firmware1.0.0.1
  • vendor Tenda ch22_firmwareversion unspecified

How to fix CVE-2026-5153

What to do

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

Should you patch?

CVE-2026-5153 is in the CISA known-exploited catalog. Confirm Tenda against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with tenda/ch22 firmware 1.0.0.1. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-74: Injection; CWE-77: Command Injection. EPSS 6.47%. 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. Mar 30, 2026 · NIST NVD

    Detected

    A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used.

  3. Sep 1, 2026 · CISA KEV

    Known exploited

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

  4. Sep 1, 2026 · VulnCheck KEV

    Updated

    A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used.

Sources

  • CVE.orgVulnerability recordCVE-2026-5153

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-5153

    30-day exploitation probability 6.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-5153

    A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and m

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-5153

    A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and m

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.