CVE-2026-4043

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 - 16:16 nvd
HIGH 7.4

Tags

Buffer Overflow Tenda

Description

A security vulnerability has been detected in Tenda i12 1.0.0.6(2204). The impacted element is the function formwrlSSIDget of the file /goform/wifiSSIDget. Such manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

Analysis

Stack-based buffer overflow in Tenda i12 version 1.0.0.6(2204) allows remote authenticated attackers to achieve complete system compromise through improper input validation in the wifiSSIDget function. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Remediation

Within 24 hours: Inventory all Tenda i12 devices running affected firmware and isolate critical deployments from production networks if feasible. Within 7 days: Implement network segmentation to restrict device management access and apply WAF rules blocking /goform/wifiSSIDget requests from untrusted sources; contact Tenda for patch timeline. …

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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-2026-4043 vulnerability details – vuln.today
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