CVE-2026-2203

HIGH 8.8

Tenda AC8 Embedded Httpd Service fast_setting_wifi_set buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	tenda
Product	ac8
Published	Feb 9, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / AC8

16.03.33.05

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.344906 vuldb.com: https://vuldb.com/?ctiid.344906 vuldb.com: https://vuldb.com/?submit.750226 github.com: https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md github.com: https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md#poc tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 sunnyyaya (VulDB User)