CVE-2022-27982

RG-NBR-E Enterprise Gateway RG-NBR2100G-E was discovered to contain a remote code execution (RCE) vulnerability via the fileName parameter at…

published May 2, 2022

CVSS
—
EPSS
2%
Percentile
81.8
In the wild
Unconfirmed
What it is

🚨 A crafty attacker can exploit a simple file upload feature to execute arbitrary code on the RG-NBR2100G-E! Think of it like a guest at a party being handed the host's microphone without any screening — if they get the chance, they could say anything, including something damaging! This vulnerability could allow an attacker to take control of the device completely, potentially leading to unauthorized access to your network. It’s like inviting someone in for a chat but ending up handing over the keys to your house!

Put simply

Think of it like a guest at a party being handed the host's microphone without any screening — if they get the chance, they could say anything, including something damaging! The vulnerability lies in the fileName parameter of the /guest_auth/cfg/upLoadCfg.php endpoint, which does not properly validate user input, allowing attackers to upload malicious files.

What to do

This vulnerability could allow an attacker to take control of the device completely, potentially leading to unauthorized access to your network. It’s like inviting someone in for a chat but ending up handing over the keys to your house! To mitigate this risk, ensure that the device firmware is updated to the latest version provided by the manufacturer and implement strict validation checks for file uploads to avoid executing unwanted commands. Regularly audit the device configurations for any unusual activity. You've got this! With the right steps, you can keep your network secure and your devices safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02132 · 81.8th percentile
Published
2022-05-02T13:28Z
EPSS history
Timeline
  • 02 MAY 13:28Z
    RG-NBR-E Enterprise Gateway RG-NBR2100G-E was discovered to contain a remote code execution (RCE) vulnerability via the fileName parameter at…
    cvelistv5