CVE-2026-3380

HIGH
2026-03-01 [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 - 22:05 vuln.today
PoC Detected
Mar 03, 2026 - 17:32 vuln.today
Public exploit code
CVE Published
Mar 01, 2026 - 04:16 nvd
HIGH 8.8

Tags

Buffer Overflow F453 Firmware

Description

A vulnerability was found in Tenda F453 1.0.0.3. This issue affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

Analysis

Remote code execution in Tenda F453 Firmware 1.0.0.3 allows authenticated attackers to execute arbitrary code via a buffer overflow in the L7Im web interface parameter handler. 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 on the network and isolate affected units from production environments if possible. Within 7 days: Implement network segmentation to restrict access to the /goform/L7Im endpoint and deploy WAF rules to block malicious requests. …

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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-2026-3380 vulnerability details – vuln.today
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