CVE-2023-46536

TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function chkRegVeriRegister

High · published October 25, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
63.3
In the wild
Unconfirmed
What it is

🚨 A stack overflow in the TP-LINK TL-WR886N could let an attacker crash the system or execute arbitrary code. Think of it like a crowded elevator that just can't handle the extra weight! ⚡ Imagine a restaurant where too many people crowd into the kitchen at once, causing chaos and stopping food from getting out to the tables. That's what happens when this stack overflow hits; it overwhelms the system, leading to potential mischief. An attacker could exploit this vulnerability to crash the router, disrupt your network, or even execute malicious commands. With a CVSS score of 8.8, this is a significant risk that could leave your home network wide open to threats.

Put simply

Imagine a restaurant where too many people crowd into the kitchen at once, causing chaos and stopping food from getting out to the tables. That's what happens when this stack overflow hits; it overwhelms the system, leading to potential mischief. This vulnerability exists in the chkRegVeriRegister function, where a stack overflow occurs, allowing an attacker to manipulate the execution flow of the router's firmware.

What to do

An attacker could exploit this vulnerability to crash the router, disrupt your network, or even execute malicious commands. With a CVSS score of 8.8, this is a significant risk that could leave your home network wide open to threats. Update the firmware of your TP-LINK TL-WR886N to the latest version immediately to close this vulnerability. Regularly check for firmware updates and consider implementing additional network security measures. You've got this! Just follow these steps and your network will be back to being a fortress in no time. 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01027 · 63.3th percentile
Published
2023-10-25T00:00Z
EPSS history
Timeline
  • 25 OCT 00:00Z
    TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function chkRegVeriRegister
    cvelistv5