CVE-2022-29395

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the apcliKey parameter in the function FUN_0041bac4

published May 10, 2022

CVSS
—
EPSS
2%
Percentile
76.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky stack overflow lurks in the TOTOLINK N600R, waiting for a crafty maneuver with the apcliKey parameter! Think of it like a waiter trying to balance an impossible stack of plates — if overloaded, that stack will topple over, causing a mess. In this case, the function FUN_0041bac4 is the waiter, and the plates are the data being improperly handled, leading to potential chaos! If exploited, an attacker could cause the router to crash or misbehave, potentially disrupting your entire home network. This could mean dropped connections, slow performance, or even unauthorized access to your device. It’s not a breach yet, but it’s a tricky situation waiting to happen!

Put simply

Think of it like a waiter trying to balance an impossible stack of plates — if overloaded, that stack will topple over, causing a mess. In this case, the function FUN_0041bac4 is the waiter, and the plates are the data being improperly handled, leading to potential chaos! This vulnerability stems from a stack overflow in the TOTOLINK N600R, specifically in the handling of the apcliKey parameter within function FUN_0041bac4, which could lead to instability or crashes when malformed input is processed.

What to do

If exploited, an attacker could cause the router to crash or misbehave, potentially disrupting your entire home network. This could mean dropped connections, slow performance, or even unauthorized access to your device. It’s not a breach yet, but it’s a tricky situation waiting to happen! It's essential to update your firmware to the latest version provided by TOTOLINK to ensure this vulnerability is patched. Always monitor device settings and inputs to avoid unexpected behavior and consider disabling unnecessary features to minimize risk. You’ve got this! Patch your devices and let’s keep that network safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01692 · 76.9th percentile
Published
2022-05-10T19:49Z
EPSS history
Timeline
  • 10 MAY 19:49Z
    TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the apcliKey parameter in the function FUN_0041bac4
    cvelistv5