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8.7

Tenda O6 Router Can Be Hacked via Malformed Port Forwarding Request

CVE-2024-8231 · published 2 years ago
Summary

A critical security flaw in the Tenda O6 router allows hackers to remotely access and take control of the device by sending a specially crafted port forwarding request. This could lead to unauthorized access to your network and potentially allow hackers to spread malware or steal sensitive information. We recommend updating the router's firmware to the latest version to protect against this vulnerability.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
tenda o6_firmware 1.0.0.7\(2054\)
cpe:2.3:o:tenda:o6_firmware:1.0.0.7\(2054\):*:*:*:*:*:*:*
Original advisory text
A vulnerability classified as critical has been found in Tenda O6 1.0.0.7(2054). Affected is the function fromVirtualSet of the file /goform/setPortForward. The manipulation of the argument ip/loca...
A vulnerability classified as critical has been found in Tenda O6 1.0.0.7(2054). Affected is the function fromVirtualSet of the file /goform/setPortForward. The manipulation of the argument ip/localPort/publicPort/app leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.7 High
Exploitation
1% chance of attack within 30 days
Type
CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write
Timeline
Published28 Aug 2024
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2024-8231 · NVD
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