CVE-2026-2191

EUVD-2026-6446
A weakness has been identified in Tenda AC9 15.03.06.42_multi. Affected is the function formGetDdosDefenceList. This manipulation of the argument security.ddos.map causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
VulDBCNA
7.2 HIGH
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
tendaac9_firmware
15.03.06.42_multi:_multi
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda3.md
https://vuldb.com/?ctiid.344894
https://vuldb.com/?id.344894
https://vuldb.com/?submit.749800
https://www.tenda.com.cn/