CVE-2021-27250: dlink dap-2020 firmware

csirt@kutim:~/threat-intel/cve/CVE-2021-27250

CVSS 6.5 · Medium EPSS 67,4%

Kerentanan External Control of File Name or Path pada dlink dap-2020 firmware. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-11856.

Rincian

Terbit di NVD: 14 April 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-73: External Control of File Name or Path
EPSS (30 hari): 67,4% peluang dieksploitasi; lebih tinggi dari 99,2% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
dlink	dap-2020 firmware	Versi 1.01 rc001

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 patch · advisory vendor
https://www.zerodayinitiative.com/advisories/ZDI-21-205/ advisory pihak ketiga · vdb entry

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.