CVE-2025-12211 - CVE House
Back to Database
Status published High CVE-2025-12211

Tenda O3 setDmzInfo GetValue stack-based overflow

Vulnerability Description

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 used for attacks.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-12211

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • yhryhryhr_tu (VulDB User)

References

More from Tenda

View All →
CVE-2025-9828
Tenda CP6 uhttp sub_2B7D04 risky encryption
Medium 6.3
CVE-2025-9813
Tenda CH22 SetSambaConf formSetSambaConf buffer overflow
High 8.7
CVE-2025-9812
Tenda CH22 exeCommand formexeCommand buffer overflow
High 8.7
CVE-2025-9806
Tenda F1202 Administrative shadow hard-coded credentials
Low 1.8
CVE-2025-9791
Tenda AC20 fromAdvSetMacMtuWan stack-based overflow
High 8.7

Affected Vendor

Affected Software

O3
Vulnerable Versions:
1.0.0.10(2478)

Timeline

Official Publish: October 27th, 2025
Last Modified: February 24th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-121 CWE-119

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact
T1203 Exploitation for Client Execution
Execution