What is the CVSS score of CVE-2026-3168?

CVE-2026-3168 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of F453 Firmware are affected by CVE-2026-3168?

A high-severity vulnerability (CVSS 8.8) has been discovered in Tenda F453 wireless routers that could allow attackers to compromise network infrastructure through a publicly available exploit.

Is there a public PoC exploit available for CVE-2026-3168?

Yes, a public proof-of-concept exploit is available for CVE-2026-3168. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-3168?

Within 24 hours: Inventory all Tenda F453 1.0.0.3 devices in your environment and isolate affected units from critical network segments. Within 7 days: Implement network-level mitigations (WAF rules, access controls) to restrict access to the vulnerable /goform/NatStaticSetting endpoint and disable UPnP/NAT features if operationally feasible. Within 30 days: Develop a hardware replacement plan with Tenda for patched firmware versions or evaluate alternative router manufacturers; conduct incident response simulations for potential compromise scenarios.

F453 Firmware CVE-2026-3168

HIGH

Buffer Overflow (CWE-119)

2026-02-25 cna@vuldb.com

Buffer Overflow F453 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 25, 2026 - 17:52 vuln.today

Public exploit code

CVE Published

Feb 25, 2026 - 07:16 nvd

HIGH 8.8

DescriptionCVE.org

A weakness has been identified in Tenda F453 1.0.0.3. This affects the function fromNatStaticSetting of the file /goform/NatStaticSetting of the component httpd. Executing a manipulation of the argument page can lead to buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

AnalysisAI

Unauthenticated attackers can exploit a buffer overflow in the Tenda F453 firmware's NatStaticSetting endpoint to achieve remote code execution by manipulating the page parameter. Public exploit code is available and actively being leveraged in the wild. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Authenticate to Tenda F453 httpd

Delivery

Send crafted POST to /goform/NatStaticSetting

Exploit

Manipulate 'page' parameter with oversized payload

Execution

Trigger buffer overflow in fromNatStaticSetting

Impact

Execute arbitrary code with httpd privileges

Access

Authenticate to Tenda F453 httpd

Delivery

Send crafted POST to /goform/NatStaticSetting

Exploit

Manipulate 'page' parameter with oversized payload

Execution

Trigger buffer overflow in fromNatStaticSetting

Impact

Execute arbitrary code with httpd privileges

Vulnerability AssessmentAI

Exploitation	Tenda F453 firmware 1.0.0.3 with httpd service enabled; valid login credentials required (PR:L); vulnerable function fromNatStaticSetting processes user-supplied 'page' parameter without bounds checking in NatStaticSetting endpoint. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this vulnerability to buffer overflow.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all Tenda F453 1.0.0.3 devices in your environment and isolate affected units from critical network segments. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-3168 vulnerability details – vuln.today

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F453 Firmware CVE-2026-3168

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

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External POC / Exploit Code