CVE-2026-71920

Katalog CVE

CVSS 4.9 · Medium EPSS 0,56%

Kerentanan NULL Pointer Dereference. Skor CVSS 3.1 4.9 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

Multiple DrayTek VigorSwitch models contain a null pointer dereference vulnerability in the formlogout function. The vulnerability is caused by missing checks for an empty or absent Cookie header before string handling. A remote attacker can trigger this vulnerability via a crafted request to crash the service and cause a denial of service. Exploitation requires valid administrative credentials for the device's web management interface.

Rincian

Terbit di NVD

24 Agustus 2026

Terakhir diubah

13 Oktober 2026

Status NVD

Deferred

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,56% peluang dieksploitasi; lebih tinggi dari 44,8% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/
• https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-null-pointer-dereference-via-formlogo...