CVE-2013-4657

Symlink Traversal vulnerability in NETGEAR WNR3500U and WNR3500L due to misconfiguration in the SMB service

published November 13, 2019

CVSS
—
EPSS
2%
Percentile
78.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky symlink traversal vulnerability lurks in the NETGEAR WNR3500U and WNR3500L routers! This misconfigured SMB service could leave your files asking for help. 🔍 Think of it as a delivery person who mistakenly follows a note that leads them to the back door of a warehouse instead of the front—gaining access to sensitive materials without proper checks! An attacker could potentially access restricted directories, allowing them to read or manipulate files that should be off-limits. This could lead to unauthorized data exposure or even corruption, resulting in a significant security breach!

Put simply

Think of it as a delivery person who mistakenly follows a note that leads them to the back door of a warehouse instead of the front—gaining access to sensitive materials without proper checks! The vulnerability occurs due to improper handling of symbolic links in the SMB service, allowing attackers to navigate the file system beyond intended boundaries using crafted requests.

What to do

An attacker could potentially access restricted directories, allowing them to read or manipulate files that should be off-limits. This could lead to unauthorized data exposure or even corruption, resulting in a significant security breach! To mitigate this risk, ensure your SMB service is correctly configured to restrict symlink handling. Additionally, consider applying any available firmware updates from NETGEAR to secure your router. Always monitor for unusual access patterns! You've got this! With a little diligence, you'll keep your network safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01855 · 78.9th percentile
Published
2019-11-13T17:33Z
EPSS history
Timeline
  • 13 NOV 17:33Z
    Symlink Traversal vulnerability in NETGEAR WNR3500U and WNR3500L due to misconfiguration in the SMB service
    cvelistv5