Tenda F453 1.0.0.3 /goform/qossetting fromqossetting qos buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.26

Summaryinfo

A vulnerability classified as critical has been found in Tenda F453 1.0.0.3. This vulnerability affects the function fromqossetting of the file /goform/qossetting. The manipulation of the argument qos leads to buffer overflow. This vulnerability is listed as CVE-2026-3378. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Tenda F453 1.0.0.3. It has been rated as critical. This issue affects the function fromqossetting of the file /goform/qossetting. The manipulation of the argument qos with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-3378. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202603-019) and EUVD (EUVD-2026-9114). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/28/2026 Advisory disclosed
02/28/2026 +0 days VulDB entry created
03/02/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-3378 (🔒)
GCVE (CVE): GCVE-0-2026-3378
GCVE (VulDB): GCVE-100-348263
EUVD: 🔒
CNNVD: CNNVD-202603-019 - Tenda F453 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/28/2026 08:00
Updated: 03/02/2026 17:13
Changes: 02/28/2026 08:00 (57), 03/01/2026 05:57 (1), 03/01/2026 19:27 (31), 03/02/2026 15:56 (1), 03/02/2026 17:13 (6)
Complete: 🔍
Submitter: LtzHust2
Cache ID: 216:E94:103

Submitinfo

Accepted

  • Submit #759625: Tenda F453 v1.0.0.3 Buffer Access Using Size of Source Buffer (by LtzHust2)

Duplicate

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