CVE-2026-2186

HIGH
2026-02-08 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 10, 2026 - 14:54 vuln.today
Public exploit code
CVE Published
Feb 08, 2026 - 21:15 nvd
HIGH 8.8

Tags

Dns Buffer Overflow Stack Overflow Rx3 Firmware

Description

A vulnerability has been found in Tenda RX3 16.03.13.11. Impacted is the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument list leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Analysis

Stack-based buffer overflow in Tenda RX3 firmware 16.03.13.11 allows authenticated remote attackers to achieve full system compromise through improper argument handling in the SetIpMacBind 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 RX3 devices running firmware version 16.03.13.11 and isolate affected units from critical network segments. Within 7 days: Implement network segmentation to restrict access to the /goform/SetIpMacBind endpoint and monitor for exploitation attempts. …

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: +20

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CVE-2026-2186 vulnerability details – vuln.today
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