CVE-2021-4242

Katalog CVE

CVSS 8.8 · High EPSS 3,1%

Kerentanan Improper Neutralization pada sapido br270n firmware, sapido brc76n firmware +2 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical. Affected by this issue is some unknown functionality of the file ip/syscmd.htm. The manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214592.

Rincian

Terbit di NVD

30 November 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-707: Improper Neutralization
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

EPSS (30 hari)

3,1% peluang dieksploitasi; lebih tinggi dari 87,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://blog.csdn.net/qq_44159028/article/details/114590267 exploit · advisory pihak ketiga
• https://github.com/smallpiggy/Sapido--rce/blob/main/Sapido%E8%B7%AF%E7%94%B1%E5%99%A8-rce.py exploit · advisory pihak ketiga
• https://vuldb.com/?id.214592 advisory pihak ketiga