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CVE-2026-2870

HIGH

8.8

Description

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function set_qosMib_list 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 the public and may be used for attacks.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/21/2026

Last Modified2/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:a21tenda:a21_firmware

Weaknesses (CWE)

CWE-119CWE-121

References

https://github.com/QIU-DIE/cve-nneeww/issues/1(cna@vuldb.com)

https://vuldb.com/?ctiid.347107(cna@vuldb.com)

https://vuldb.com/?id.347107(cna@vuldb.com)

https://vuldb.com/?submit.754627(cna@vuldb.com)

https://www.tenda.com.cn/(cna@vuldb.com)

IOC Correlations

No correlations recorded

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