CVE-2026-4041

HIGH
2026-03-12 [email protected]
7.4
CVSS 4.0
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CVSS 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 19:57 vuln.today
CVE Published
Mar 12, 2026 - 15:16 nvd
HIGH 7.4

Tags

Buffer Overflow Tenda

Description

A security flaw has been discovered in Tenda i12 1.0.0.6(2204). Impacted is the function vos_strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

Analysis

Stack-based buffer overflow in Tenda i12 1.0.0.6(2204) allows remote attackers with user privileges to achieve complete system compromise through malicious input to the cmdinput parameter in /goform/exeCommand. Public exploit code exists for this vulnerability, and no patch is currently available to remediate the issue.

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Remediation

Within 24 hours: Inventory all Tenda i12 devices in your environment and isolate affected units from critical network segments. Within 7 days: Implement network segmentation to restrict access to vulnerable devices and deploy WAF rules to block exploitation attempts against the /goform/exeCommand endpoint. …

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Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +37
POC: 0

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CVE-2026-4041 vulnerability details – vuln.today
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