CVE-2021-44629

A Buffer Overflow vulnerabilitiy exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/register feature, which allows malicious users to…

published March 9, 2022

CVSS
β€”
EPSS
3%
Percentile
85.1
In the wild
Unconfirmed
What it is

⚠️ A crafty buffer overflow is lurking in the TP-LINK WR-886N! πŸ“‘ Malicious users can execute arbitrary code with a well-crafted POST request β€” talk about a backdoor open for business! Think of it like a waiter who takes orders without checking the menu β€” a rogue chef could serve whatever dish they want, no questions asked! 🍽️ This vulnerability allows attackers to send harmful commands that the device might execute without verification. If exploited, an attacker could take control of the router, leading to unauthorized access to sensitive data or even turning it into a bot for further attacks. The potential for chaos is mind-blowingly simple, as they could install malicious software or reroute your network traffic!

Put simply

Think of it like a waiter who takes orders without checking the menu β€” a rogue chef could serve whatever dish they want, no questions asked! 🍽️ This vulnerability allows attackers to send harmful commands that the device might execute without verification. This buffer overflow vulnerability in the TP-LINK WR-886N occurs in the /cloud_config/router_post/register feature, allowing attackers to execute arbitrary code by sending a specially crafted POST request to the router. This means that the device trusts and runs code that could compromise its security.

What to do

If exploited, an attacker could take control of the router, leading to unauthorized access to sensitive data or even turning it into a bot for further attacks. The potential for chaos is mind-blowingly simple, as they could install malicious software or reroute your network traffic! To protect your device, update to the latest firmware version available on the TP-LINK website, as this will patch the vulnerability. Additionally, review your router settings and ensure that remote management features are disabled unless absolutely necessary. πŸ›‘οΈ You've got this! By taking these steps, you'll enhance your network security and keep those crafty attackers at bay! πŸš€

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02576 Β· 85.1th percentile
Published
2022-03-09T21:50Z
EPSS history
Timeline
  • 09 MAR 21:50Z
    A Buffer Overflow vulnerabilitiy exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/register feature, which allows malicious users to…
    cvelistv5