CVE-2025-8810

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-8810
A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the 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/LaiwanHundun/CVE/blob/main/cve1 Exploit Third Party Advisory
https://vuldb.com/?ctiid.319339 Permissions Required VDB Entry
https://vuldb.com/?id.319339 Third Party Advisory VDB Entry
https://vuldb.com/?submit.627394 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
https://github.com/LaiwanHundun/CVE/blob/main/cve1 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac20_firmware:16.03.08.05:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*
History

14 Aug 2025, 16:29

Type Values Removed Values Added
References () https://github.com/LaiwanHundun/CVE/blob/main/cve1 - () https://github.com/LaiwanHundun/CVE/blob/main/cve1 - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.319339 - () https://vuldb.com/?ctiid.319339 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.319339 - () https://vuldb.com/?id.319339 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.627394 - () https://vuldb.com/?submit.627394 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
First Time Tenda ac20
Tenda ac20 Firmware
Tenda
CPE cpe:2.3:o:tenda:ac20_firmware:16.03.08.05:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*

12 Aug 2025, 20:15

Type Values Removed Values Added
References () https://github.com/LaiwanHundun/CVE/blob/main/cve1 - () https://github.com/LaiwanHundun/CVE/blob/main/cve1 -

11 Aug 2025, 18:32

Type Values Removed Values Added
Summary
  • (es) Se encontró una vulnerabilidad clasificada como crítica en Tenda AC20 16.03.08.05. Esta vulnerabilidad afecta a la función strcpy del archivo /goform/SetFirewallCfg. La manipulación del argumento firewallEn provoca un desbordamiento del búfer en la pila. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

10 Aug 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-08-10 14:15

Updated : 2025-08-14 16:29

NVD link : CVE-2025-8810

Mitre link : CVE-2025-8810

CVE.ORG link : CVE-2025-8810

JSON object : View

Products Affected

tenda

  • ac20_firmware
  • ac20
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow