CVE-2026-4211

Katalog CVE

CVSS 9.8 · Critical EPSS 1,5%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada dlink dnr-202l firmware, dlink dnr-326 firmware +18 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

A weakness has been identified in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. Affected by this issue is the function Local_Backup_Info of the file /cgi-bin/local_backup_mgr.cgi. This manipulation of the argument f_idx 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 NVD
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)

1,5% peluang dieksploitasi; lebih tinggi dari 72,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_160/160.md exploit · advisory pihak ketiga
• https://vuldb.com/?id.351122 advisory pihak ketiga · vdb entry
• https://vuldb.com/?submit.770441 advisory pihak ketiga · vdb entry
• https://vuldb.com/?ctiid.351122 permissions required · vdb entry
• https://www.dlink.com/ product