CVE-2022-44176

Tenda AC18 V15.03.05.19 is vulnerable to Buffer Overflow via function fromSetRouteStatic

Critical · published November 21, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
56.3
In the wild
Unconfirmed
What it is

🔥 A buffer overflow in Tenda AC18 could let attackers wield control over your router with a single crafted packet! Think of it like a delivery driver who takes in a package without checking the label — if the package is too big, it can cause the whole delivery truck to crash. That's exactly what happens here; the function that processes route configurations is overwhelmed by unexpected input! If exploited, this vulnerability could allow attackers to execute arbitrary code within the router, potentially giving them complete control over your network. Imagine them hijacking your internet connection, redirecting traffic, or monitoring your online activities. It’s an absolute nightmare scenario!

Put simply

Think of it like a delivery driver who takes in a package without checking the label — if the package is too big, it can cause the whole delivery truck to crash. That's exactly what happens here; the function that processes route configurations is overwhelmed by unexpected input! This critical buffer overflow occurs in the function fromSetRouteStatic, where inadequate input validation allows attackers to send oversized packets, leading to memory corruption and remote code execution.

What to do

If exploited, this vulnerability could allow attackers to execute arbitrary code within the router, potentially giving them complete control over your network. Imagine them hijacking your internet connection, redirecting traffic, or monitoring your online activities. It’s an absolute nightmare scenario! Update your Tenda AC18 router firmware immediately to V15.03.05.20, which addresses this vulnerability. Additionally, review your network settings and ensure any unnecessary remote access features are disabled. It's time to tighten up your defenses! You've got this! With these steps, you'll fortify your network in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00805 · 56.3th percentile
Published
2022-11-21T00:00Z
EPSS history
Timeline
  • 21 NOV 00:00Z
    Tenda AC18 V15.03.05.19 is vulnerable to Buffer Overflow via function fromSetRouteStatic
    cvelistv5