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Vulnerabilities

Vulnerability · CVE-2026-2203

A flaw has been found in Tenda AC8 16.03.33.05.

Published Feb 9, 2026 · catalog updated Feb 23, 2026 · Tenda AC8

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-2203. EPSS is 0.81%. Act only if a listed version of Tenda AC8 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
0.81%
Remediation
Vendor / distro source
Affected products
vendor Tenda AC8 16.03.33.05

A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of the attack is possible. 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 AC8 16.03.33.0516.03.33.05

How to fix CVE-2026-2203

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-2026-2203. EPSS is 0.81%. Act only if a listed version of Tenda AC8 is installed.

Which versions are affected?

Compare what you have installed with Tenda AC8 16.03.33.05 16.03.33.05. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.81%. 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. Feb 9, 2026 · EUVD

    Detected

    A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

  2. Feb 23, 2026 · EUVD

    Updated

    A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Sources

  • CVE.orgVulnerability recordCVE-2026-2203

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2203

    30-day exploitation probability 0.81%

    first.org
  • EUVDVulnerability recordEUVD-2026-6892

    A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026