CVE-2026-0839

Katalog CVE

CVSS 8.8 · High EPSS 1,1%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada utt 520w firmware. Skor CVSS 3.1 8.8 (High) menurut vuldb.com.

Deskripsi (NVD)

A weakness has been identified in UTT 进取 520W 1.7.7-180627. Affected is the function strcpy of the file /goform/APSecurity. Executing a manipulation of the argument wepkey1 can lead to buffer overflow. The attack may be performed from remote. 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

11 Januari 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 64,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/GUOTINGTING2297/cve/blob/main/1234/29.md exploit · advisory pihak ketiga
• https://vuldb.com/?id.340439 advisory pihak ketiga · vdb entry
• https://vuldb.com/?submit.729028 advisory pihak ketiga · vdb entry
• https://vuldb.com/?ctiid.340439 permissions required · vdb entry