CVE-2026-4861

Katalog CVE

CVSS 8.8 · High EPSS 1,1%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada wavlink wl-nu516u1 firmware. Skor CVSS 3.1 8.8 (High) menurut vuldb.com.

Deskripsi (NVD)

A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length 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. The vendor was contacted early about this disclosure but did not respond in any way.

Rincian

Terbit di NVD

26 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

8.8 (High), sumber vuldb.com
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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121: Stack-based Buffer Overflow

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 63,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/Wlz1112/WAVLINK-NU516U1-V260227/blob/main/Content-Length.md exploit · advisory pihak ketiga
• https://vuldb.com/?id.353192 advisory pihak ketiga · vdb entry
• https://vuldb.com/?submit.776217 advisory pihak ketiga · vdb entry
• https://vuldb.com/?ctiid.353192 permissions required · vdb entry