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Vulnerabilities ›

CVE-2026-4565

High

A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer

CWE-119 — Weakness Type

                    Published: Mar 23, 2026                      ·  Modified: Mar 29, 2026                      ·  Source: NVD                

CVSS v3

8.8

🔗 NVD Official

📄 Description (English)

A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 6

https://github.com/hellonestor/killallbug/issues/14

https://github.com/hellonestor/killallbug/releases/tag/poc

https://vuldb.com/?ctiid.352402

https://vuldb.com/?id.352402

https://vuldb.com/?submit.775119

https://www.tenda.com.cn/

📊 CVSS Score

8.8

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredL — Low / Local

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityH — High

IntegrityH — High

AvailabilityH — High

📋 Quick Facts

Severity High

CVSS Score8.8

CWECWE-119

Exploit No

Patch ✗ No

Published 2026-03-23

Source Feed nvd

Views 1

🏷️ Tags

CWE-119

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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