CVE-2020-9276: dlink dsl-2640b firmware

csirt@kutim:~/threat-intel/cve/CVE-2020-9276

CVSS 8.8 · High EPSS 2,6%

Kerentanan Out-of-bounds Write pada dlink dsl-2640b firmware. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. The function do_cgi(), which processes cgi requests supplied to the device's web servers, is vulnerable to a remotely exploitable stack-based buffer overflow. Unauthenticated exploitation is possible by combining this vulnerability with CVE-2020-9277.

Rincian

Terbit di NVD: 20 April 2020
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-787: Out-of-bounds Write
EPSS (30 hari): 2,6% peluang dieksploitasi; lebih tinggi dari 84,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
dlink	dsl-2640b firmware	Versi eu_4.01b

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.dlink.com/en/security-bulletin advisory vendor
https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt advisory pihak ketiga
https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ exploit · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.