CVE-2026-2870

EUVD-2026-7519
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
tendaa21_firmware
1.0.0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/QIU-DIE/cve-nneeww/issues/1
https://vuldb.com/?ctiid.347107
https://vuldb.com/?id.347107
https://vuldb.com/?submit.754627
https://www.tenda.com.cn/