CVE-2026-3377

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 - 17:34 vuln.today
Public exploit code
CVE Published
Mar 01, 2026 - 00:16 nvd
HIGH 8.8

Tags

Buffer Overflow F453 Firmware

Description

A vulnerability was detected in Tenda F453 1.0.0.3. Affected by this issue is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Performing a manipulation of the argument page results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.

Analysis

Buffer overflow in Tenda F453 1.0.0.3 firmware allows authenticated remote attackers to achieve complete system compromise through manipulation of the SafeUrlFilter page parameter. 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 running version 1.0.0.3 and isolate affected units from production networks if possible. Within 7 days: Implement network segmentation to restrict administrative access to affected devices and deploy WAF rules to block exploitation attempts against the /goform/SafeUrlFilter endpoint. …

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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-2026-3377 vulnerability details – vuln.today
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