CVE-2026-2202

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-2202
A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public 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/WifiGuestSet-sharespeed-bufferoverflow.md Exploit Third Party Advisory
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md#poc Exploit Third Party Advisory
https://vuldb.com/?ctiid.344905 Permissions Required VDB Entry
https://vuldb.com/?id.344905 Third Party Advisory VDB Entry
https://vuldb.com/?submit.750225 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
References () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md - () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md - Exploit, Third Party Advisory
References () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md#poc - () https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md#poc - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.344905 - () https://vuldb.com/?ctiid.344905 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.344905 - () https://vuldb.com/?id.344905 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.750225 - () https://vuldb.com/?submit.750225 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
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

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-2026-2202

Mitre link : CVE-2026-2202

CVE.ORG link : CVE-2026-2202

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')