CVE-2017-17463

HIGH

vivo modem_firmware - Unauthenticated Sensitive Information Exposure via index.cgi HTML Source

Title source: llm

Description

Vivo modems allow remote attackers to obtain sensitive information by reading the index.cgi?page=wifi HTML source code, as demonstrated by ssid and psk_wepkey fields.

References (1)

Core 1

Core References

Third Party Advisory x_refsource_misc

https://github.com/mateeuslinno/viv0n

View Writeup ZIP pw:eip

Scores

CVSS v3 7.5

EPSS 0.0134

EPSS Percentile 67.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-200

Status published

Products (1)

vivo/modem_firmware

Published Dec 08, 2017

Tracked Since Feb 18, 2026