CVE-2026-4254

Katalog CVE

CVSS 9.8 · Critical EPSS 1,4%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada tenda ac8 firmware. Skor CVSS 3.1 9.8 (Critical) menurut vuldb.com.

Deskripsi (NVD)

A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Rincian

Terbit di NVD

16 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber vuldb.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121: Stack-based Buffer Overflow
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 71,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/digitalandrew/tenda_ac8_v5/blob/main/CVE_Report_Tenda_AC8_SysToolChangePwd_BOF.md exploit · advisory pihak ketiga
• https://vuldb.com/?id.351212 advisory pihak ketiga · vdb entry
• https://vuldb.com/?submit.771773 advisory pihak ketiga · vdb entry
• https://vuldb.com/?ctiid.351212 permissions required · vdb entry
• https://www.tenda.com.cn/ product