What’s Vulnerable › Vulnerabilities

CVE-2025-12213: Tenda O3 setVlanConfig GetValue stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-10-27 · updated 2026-10-08
• Weakness: CWE-119

Description

A security vulnerability has been detected in Tenda O3 1.0.0.10(2478). This vulnerability affects the function SetValue/GetValue of the file /goform/setVlanConfig. Such manipulation of the argument lan leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Tenda O3: all versions

References

• https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setVlanConfig.md
• https://vuldb.com/?ctiid.329883
• https://vuldb.com/?id.329883
• https://vuldb.com/?submit.673268
• https://www.tenda.com.cn/
• https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setVlanConfig.md

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