CVE-2025-12211

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-12211
A security flaw has been discovered in Tenda O3 1.0.0.10(2478). Affected by this issue is the function SetValue/GetValue of the file /goform/setDmzInfo. The manipulation of the argument dmzIP results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited.

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/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.329881 Permissions Required VDB Entry
https://vuldb.com/?id.329881 Third Party Advisory VDB Entry
https://vuldb.com/?submit.673265 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:o3_firmware1.0.0.10\(2478\):*:*:*:*:*:*:*:*
cpe:2.3:h:tenda:o3:2.0:*:*:*:*:*:*:*
History

28 Oct 2025, 14:15

Type Values Removed Values Added
References () https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md - Exploit, Third Party Advisory () https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md - Exploit, Third Party Advisory

27 Oct 2025, 20:41

Type Values Removed Values Added
First Time Tenda
Tenda o3
Tenda o3 Firmware1.0.0.10\(2478\)
References () https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md - () https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.329881 - () https://vuldb.com/?ctiid.329881 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.329881 - () https://vuldb.com/?id.329881 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.673265 - () https://vuldb.com/?submit.673265 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
CPE cpe:2.3:o:tenda:o3_firmware1.0.0.10\(2478\):*:*:*:*:*:*:*:*
cpe:2.3:h:tenda:o3:2.0:*:*:*:*:*:*:*

27 Oct 2025, 04:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-27 04:15

Updated : 2025-10-28 14:15

NVD link : CVE-2025-12211

Mitre link : CVE-2025-12211

CVE.ORG link : CVE-2025-12211

JSON object : View

Products Affected

tenda

  • o3_firmware1.0.0.10\(2478\)
  • o3
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow