CVE-2026-7717

high

Description

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument File can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

References

https://www.totolink.net/

https://vuldb.com/vuln/360893/cti

https://vuldb.com/vuln/360893

https://vuldb.com/submit/807193

https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-UploadCustomModule-34553a41781f80a8a287e48a7fb04de9

Details

Source: Mitre, NVD

Published: 2026-05-04

Updated: 2026-05-04

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High