What is the CVSS score of CVE-2026-3272?

CVE-2026-3272 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-2026-3272?

A critical vulnerability in Tenda F453 routers allows remote attackers to compromise affected network infrastructure with a high severity rating (CVSS 8.8).

Is there a public PoC exploit available for CVE-2026-3272?

Yes, a public proof-of-concept exploit is available for CVE-2026-3272. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-3272?

Within 24 hours: Identify all Tenda F453 devices in your network and isolate affected units from critical systems. Within 7 days: Implement network access controls restricting access to the vulnerable /goform/DhcpListClient endpoint and evaluate replacement hardware options. Within 30 days: Deploy alternative router hardware from vendors with active security support and establish a vendor communication protocol to track patch availability.

F453 Firmware CVE-2026-3272

HIGH

Buffer Overflow (CWE-119)

2026-02-27 cna@vuldb.com

Buffer Overflow Tenda 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

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 27, 2026 - 15:48 vuln.today

Public exploit code

CVE Published

Feb 27, 2026 - 00:16 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromDhcpListClient of the file /goform/DhcpListClient of the component httpd. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

Unauthenticated remote attackers can execute arbitrary code on Tenda F453 devices running firmware 1.0.0.3 by exploiting a stack buffer overflow in the DHCP list client function through the httpd service. Public exploit code exists for this vulnerability and no patch is currently available. The attack requires network access but no user interaction, making it trivial to exploit.

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects F453 Firmware. A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromDhcpListClient of the file /goform/DhcpListClient of the component httpd. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.