The vulnerability of the formSetQosBand() function (/goform/SetNetControlList) in the Tenda AC21 router software allows a attacker to cause a service failure.

The vulnerability of the formSetQosBand function /goform/SetNetControlList of the Tenda AC21 router’s software lies in the fact that the operation’s output is stored outside of the buffer in memory. Exploiting this vulnerability could allow a malicious actor to cause service failure by sending a...

CVE-2026-4492

A vulnerability was found in Tenda A18 Pro 02.03.02.28. The affected element is the function setqosMiblist of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has...

CVE-2026-4565

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...

CVE-2026-4565

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...

CVE-2026-4565

The CVE-2026-4565 issue affects Tenda AC21 with firmware 16.03.08.16. Vulnerable code is the formSetQosBand function in /goform/SetNetControlList; manipulating the argument list triggers a buffer overflow. Exploitation is remote and the public PoC/exploit is available. Red Hat and PT Security ref...

EUVD-2026-14343

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...

CVE-2026-4565 Tenda AC21 SetNetControlList formSetQosBand buffer overflow

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...

CVE-2026-4565: Buffer Copy without Checking Size of Input

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...

Tenda AC21 安全漏洞

Tenda AC21 is a wireless router produced by the Chinese company Tenda. Version 16.03.08.16 of Tenda AC21 contains a security vulnerability. This vulnerability stems from improper handling of the list parameter in the formSetQosBand function located in the file/goform/SetNetControlList, which may...

CVE-2026-4492

Technical details about CVE-2026-4492 are not publicly provided in the supplied documents. Monitor for updates; the materials summarize the vulnerability but do not disclose proofs, affected versions beyond the one cited, or fixes.

CVE-2026-4492 Tenda A18 Pro formSetQosBand set_qosMib_list stack-based overflow

A vulnerability was found in Tenda A18 Pro 02.03.02.28. The affected element is the function setqosMiblist of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has...

PT-2026-26648

A vulnerability was found in Tenda A18 Pro 02.03.02.28. The affected element is the function set qosMib list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit ha...

CVE-2026-4492: Stack-based Buffer Overflow

A vulnerability was found in Tenda A18 Pro 02.03.02.28. The affected element is the function setqosMiblist of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has...

Tenda A18 Pro 安全漏洞

The Tenda A18 Pro is a wireless signal extender produced by the Chinese company Tenda. Version 02.03.02.28 of the Tenda A18 Pro contains a security vulnerability. This vulnerability stems from a stack buffer overflow issue in the setqosMiblist function within the file/goform/formSetQosBand...

CVE-2026-2870

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function setqosMiblist of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to th...

CVE-2026-2870

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function setqosMiblist of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to th...

CVE-2026-2870 Tenda A21 formSetQosBand set_qosMib_list stack-based overflow

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function setqosMiblist of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to th...

CVE-2026-2870

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function setqosMiblist of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to th...

CVE-2026-2870: Stack-based Buffer Overflow

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function setqosMiblist of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to th...

Tenda A21 安全漏洞

The Tenda A21 is a wireless signal extender produced by the Chinese company Tenda. Version 1.0.0.0 of the Tenda A21 contains a security vulnerability. This vulnerability stems from an stack buffer overflow issue in the setqosMiblist function in the /goform/formSetQosBand file, due to improper...