CVE-2025-65220 — Stack-based Buffer Overflow in Ac21 Firmware

CWE-121 — Stack-based Buffer Overflow4 documents4 sources
Severity
4.3MEDIUMNVD
EPSS
0.0%
top 84.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Tenda Ac21 Firmware
Timeline
PublishedNov 20

Description

Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow in: /goform/SetVirtualServerCfg via the list parameter.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 2.8 | Impact: 1.4

Affected Packages1 packages

▶NVDtenda/ac21_firmware16.03.08.16

🔴Vulnerability Details

2
CVEList
CVE-2025-65220: Tenda AC21 V16↗2025-11-20
▶
GHSA
GHSA-hfrj-4h7c-2cgp: Tenda AC21 V16↗2025-11-20
▶

🔍Detection Rules

1
Suricata
ET WEB_SPECIFIC_APPS Tenda SetVirtualServerCfg list Parameter Buffer Overflow Attempt (CVE-2025-29361, CVE-2024-4112, CVE-2024-40416, CVE-2024-10282, CVE-2025-65220)↗2025-10-10
▶
CVE-2025-65220 — Stack-based Buffer Overflow in Tenda | cvebase