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Vulnerabilities

Vulnerability · CVE-2025-9443

A flaw has been found in Tenda CH22 1.0.0.1.

Published Aug 26, 2025 · catalog updated Aug 26, 2025 · Tenda CH22

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-9443. EPSS is 0.80%. Act only if a listed version of Tenda CH22 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.80%
Remediation
Vendor / distro source
Affected products
vendor Tenda CH22 1.0.0.1

A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack 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.

  • vendor Tenda CH22 1.0.0.11.0.0.1

How to fix CVE-2025-9443

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2025-9443. EPSS is 0.80%. Act only if a listed version of Tenda CH22 is installed.

Which versions are affected?

Compare what you have installed with Tenda CH22 1.0.0.1 1.0.0.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.80%. There is no CISA KEV listing. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 26, 2025 · EUVD

    Detected

    A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

  2. Aug 26, 2025 · EUVD

    Updated

    A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Sources

  • CVE.orgVulnerability recordCVE-2025-9443

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-9443

    30-day exploitation probability 0.80%

    first.org
  • EUVDVulnerability recordEUVD-2025-25766

    A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has be

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026