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 used for attacks.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cna@vuldb.com

Published

2025-10-27

Last modified

2026-10-08

Weaknesses

CWE-119, CWE-121

Affected products

• O3 Firmware (Tenda)
• O3 Firmware1.0.0.10(2478) (Tenda)

References

• https://vuldb.com/?id.329881
• https://vuldb.com/?ctiid.329881
• https://vuldb.com/?submit.673265
• https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md
• https://www.tenda.com.cn/