CVE-2026-2203

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-2203
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.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md Exploit Third Party Advisory
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md#poc Exploit Third Party Advisory
https://vuldb.com/?ctiid.344906 Permissions Required VDB Entry
https://vuldb.com/?id.344906 Third Party Advisory VDB Entry
https://vuldb.com/?submit.750226 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac8_firmware:16.03.33.05:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac8:-:*:*:*:*:*:*:*
History

10 Feb 2026, 15:07

Type Values Removed Values Added
CPE cpe:2.3:h:tenda:ac8:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac8_firmware:16.03.33.05:*:*:*:*:*:*:*
First Time Tenda
Tenda ac8
Tenda ac8 Firmware
References () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md - () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md - Exploit, Third Party Advisory
References () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md#poc - () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md#poc - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.344906 - () https://vuldb.com/?ctiid.344906 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.344906 - () https://vuldb.com/?id.344906 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.750226 - () https://vuldb.com/?submit.750226 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product

09 Feb 2026, 03:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-09 03:16

Updated : 2026-02-10 15:07

NVD link : CVE-2026-2203

Mitre link : CVE-2026-2203

CVE.ORG link : CVE-2026-2203

JSON object : View

Products Affected

tenda

  • ac8
  • ac8_firmware
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')