CVE-2026-3769

HIGH
2026-03-08 [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
Mar 09, 2026 - 15:25 vuln.today
Public exploit code
CVE Published
Mar 08, 2026 - 21:15 nvd
HIGH 8.8

Tags

Golang Buffer Overflow Stack Overflow F453 Firmware

Description

A vulnerability was detected in Tenda F453 1.0.0.3. Affected by this issue is the function WrlclientSet of the file /goform/WrlclientSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.

Analysis

Stack-based buffer overflow in Tenda F453 firmware 1.0.0.3 allows remote attackers with valid credentials to achieve unauthenticated code execution through a malformed GO parameter in the WrlclientSet 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 F453 devices in production and isolate critical instances from sensitive networks. Within 7 days: Implement network segmentation to restrict router access and deploy WAF rules blocking /goform/WrlclientSet endpoints; consider replacing affected units with alternative vendors if operationally feasible. …

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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-2026-3769 vulnerability details – vuln.today
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