Here’s an interesting, informative piece about the Tenda AC8 firmware update — covering why it matters, how to do it safely, and what to watch out for.
After the update, go back to System Tools > Firmware Upgrade. The "Current Firmware Version" should reflect the new date/version you just installed.
Before starting, verify your router's hardware version, as firmware is not interchangeable across different versions. CVE-2025-55852: Tenda AC8 Buffer Overflow Vulnerability tenda ac8 firmware update
Cause: The update reset the router to factory defaults. Solution: Use the default credentials:
Cybercriminals constantly scan for routers with known vulnerabilities. An outdated Tenda AC8 is a prime target for DNS hijacking, malware injection, or being enlisted into a botnet. Each firmware release patches these security holes. Here’s an interesting, informative piece about the Tenda
Log back in. Go to System Tools > Status to check the "Firmware Version" line. It should match the new version. If your settings were wiped, use the backup file to restore them.
Before diving into the "how," let's look at the "why." Many users ignore update notifications because their internet "seems fine." Here is what you are missing by running outdated firmware: Before starting, verify your router's hardware version, as
In testing, one unit froze at 85% when updated via Google Chrome’s incognito mode (suggesting a resource conflict with browser extensions). Firefox and Edge worked flawlessly.