CVE-2020-35391

Tenda N300 F3 12.01.01.48 devices allow remote attackers to obtain sensitive information (possibly including an http_passwd line) via a direct request for…

Critical · published January 1, 2021

CVSS v3.1
9.6
EPSS
35%
Percentile
98.4
In the wild
Unconfirmed
What it is

🚨 Just a direct request can spill sensitive info from Tenda N300 F3 devices, leaving your data wide open! 🔥 Think of this vulnerability like a delivery driver dropping off a box at the wrong doorstep — anyone with a little knowledge can peek inside and grab what's supposed to be private. 🌍 An attacker could easily obtain sensitive information, potentially including your HTTP password, by simply requesting a specific file. This alarming oversight could allow malicious users to dive headfirst into your network, exposing you to data theft and breaches. It's a wake-up call that shouldn't be ignored!

Put simply

Think of this vulnerability like a delivery driver dropping off a box at the wrong doorstep — anyone with a little knowledge can peek inside and grab what's supposed to be private. 🌍 This vulnerability allows remote attackers to access sensitive configuration files from Tenda N300 F3 devices by targeting the cgi-bin/DownloadCfg/RouterCfm.cfg endpoint. It's related to CVE-2017-14942 and may involve peculiar HTTP request headers or query parameters for exploitation.

What to do

An attacker could easily obtain sensitive information, potentially including your HTTP password, by simply requesting a specific file. This alarming oversight could allow malicious users to dive headfirst into your network, exposing you to data theft and breaches. It's a wake-up call that shouldn't be ignored! Immediately patch your Tenda N300 F3 devices to the latest firmware version to close this critical vulnerability. Review your device's settings and consider implementing additional network security measures to protect sensitive information. Don't forget to monitor your network traffic for any unusual activities! You've got this! Take these steps to secure your devices and become a security hero! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
CVSS v4.0
Not supplied
EPSS
0.35248 · 98.4th percentile
Published
2021-01-01T00:00Z
EPSS history
Timeline
  • 01 JAN 00:00Z
    Tenda N300 F3 12.01.01.48 devices allow remote attackers to obtain sensitive information (possibly including an http_passwd line) via a direct request for…
    cvelistv5