CVE-2026-3696

HIGH
2026-03-08 [email protected]
7.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Mar 10, 2026 - 18:57 vuln.today
Public exploit code
CVE Published
Mar 08, 2026 - 01:15 nvd
HIGH 7.3

Tags

Command Injection N300rh Firmware

Description

A vulnerability was found in Totolink N300RH 6..1c.1353_B20190305. The affected element is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.

Analysis

OS command injection in Totolink N300RH firmware allows unauthenticated remote attackers to execute arbitrary commands through the setWiFiWpsConfig function in the CGI handler. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Remediation

Within 24 hours: Identify all Totolik N300RH devices in your network and isolate them from critical systems; disable WPS functionality if possible and restrict administrative access to the device. Within 7 days: Implement network segmentation to limit router exposure and deploy intrusion detection signatures for CVE-2026-3696 exploitation attempts. …

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Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +1.4
CVSS: +36
POC: +20

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CVE-2026-3696 vulnerability details – vuln.today
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