CVE-2025-7420

A vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been declared as critical. This vulnerability affects the function formWifiBasicSet of the file /goform/setWrlBasicInfo of the component httpd. The manipulation of the argument extChannel leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

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

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/wudipjq/my_vuln/blob/main/Tenda3/vuln_53/53.md	Exploit Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_53/53.md#poc	Exploit Third Party Advisory
https://vuldb.com/?ctiid.315880	Permissions Required
https://vuldb.com/?id.315880	Third Party Advisory VDB Entry
https://vuldb.com/?submit.608866	Third Party Advisory VDB Entry
https://www.tenda.com.cn/	Product
https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_53/53.md	Exploit Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_53/53.md#poc	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:o3_firmware:1.0.0.12\(3880\):*:*:*:*:*:*:*

cpe:2.3:h:tenda:o3:2.0:*:*:*:*:*:*:*

History

16 Jul 2025, 16:40

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-07-11 00:15

Updated : 2025-07-16 16:40

NVD link : CVE-2025-7420

Mitre link : CVE-2025-7420

CVE.ORG link : CVE-2025-7420

JSON object : View

Products Affected

tenda

o3_firmware
o3

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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