CVE-2026-2191

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer Overflow3 documents3 sources
Severity
7.3HIGH
EPSS
0.1%
top 65.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda AC9Tenda AC9 Firmware
Timeline
PublishedFeb 8
Latest updateFeb 9

Description

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.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Packages2 packages

▶CVEListV5tenda/ac915.03.06.42_multi
▶NVDtenda/ac9_firmware15.03.06.42_multi

🔴Vulnerability Details

2
GHSA
GHSA-j5pp-jx5r-4q45: A weakness has been identified in Tenda AC9 15↗2026-02-09
▶
CVEList
Tenda AC9 formGetDdosDefenceList stack-based overflow↗2026-02-08
▶