CVE-2025-12213

Tenda O3 setVlanConfig GetValue stack-based overflow

Published Oct 27, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tenda o3 Firmware
CPEs cpe:2.3:o:tenda:o3_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda o3 Firmware
Type Values Removed Values Added
First Time appeared Tenda o3 Firmware1.0.0.10\(2478\)
CPEs cpe:2.3:h:tenda:o3:2.0:*:*:*:*:*:*:*
cpe:2.3:o:tenda:o3_firmware1.0.0.10\(2478\):*:*:*:*:*:*:*:*
Vendors & Products Tenda o3 Firmware1.0.0.10\(2478\)
Type Values Removed Values Added
First Time appeared Tenda
Tenda o3
Vendors & Products Tenda
Tenda o3
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Tenda O3 setVlanConfig GetValue stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': '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'}

cvssV3_1

{'score': 8.8, 'vector': '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'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 24, 2026, 7:05 AM
Reserved
Oct 25, 2025, 11:59 AM
Status
Analyzed
Published
Oct 27, 2025, 4:15 AM
Modified
Oct 8, 2026, 11:10 AM