CVE-2025-12211

HIGH 8.8

Tenda O3 setDmzInfo GetValue stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	tenda
Product	o3
Published	Oct 27, 2025
Last Updated	Feb 24, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / O3

1.0.0.10(2478)

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 yhryhryhr_tu (VulDB User)