CVE-2022-44366

Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setDiagnoseInfo

Critical · published December 2, 2022

CVSS v3.1
9.8
EPSS
10%
Percentile
95.6
In the wild
Unconfirmed
What it is

🚨 A buffer overflow lurking in Tenda i21's /goform/setDiagnoseInfo could let attackers gain full control—yikes! 🔥 Think of this like a factory assembly line that keeps accepting more and more items without checking how much space is available. Eventually, the system gets overwhelmed, and everything spills over, creating chaos! If exploited, an attacker could run arbitrary code on the device, potentially gaining unauthorized access to sensitive information or controlling the network traffic. It's like handing over the keys to your entire network without even realizing it!

Put simply

Think of this like a factory assembly line that keeps accepting more and more items without checking how much space is available. Eventually, the system gets overwhelmed, and everything spills over, creating chaos! This vulnerability allows for a buffer overflow via the setDiagnoseInfo endpoint, enabling attackers to overwrite memory and execute arbitrary code, which can lead to complete device compromise.

What to do

If exploited, an attacker could run arbitrary code on the device, potentially gaining unauthorized access to sensitive information or controlling the network traffic. It's like handing over the keys to your entire network without even realizing it! Patch your Tenda i21 to the latest version, V1.0.0.15 or later, to close this critical gap. Regularly audit your devices and ensure firmware is up to date to avoid being a target. You've got this! Stay vigilant and keep your network secure! 🛡️

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
0.09861 · 95.6th percentile
Published
2022-12-02T00:00Z
EPSS history
Timeline
  • 02 DEC 00:00Z
    Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setDiagnoseInfo
    cvelistv5