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CWE

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CVE-2025-7421

Published: Jul 11, 2025

Modified: Jul 11, 2025

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been rated as critical. This issue affects the function fromMacFilterModify of the file /goform/operateMacFilter of the component httpd. The manipulation of the argument mac leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Vendor	Product	Versions
Tenda	O3V2	affected `1.0.0.12(3880)`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-315881 | Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack-based overflow

vdb-entry

technical-description

VDB-315881 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #608867 | Tenda O3V2 1.0.0.12(3880) Stack-based Buffer Overflow

third-party-advisory

https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md

related

https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md#poc

exploit

https://www.tenda.com.cn/

product

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