A new highly aggressive botnet, named Ballista, is actively hijacking thousands of TP-Link routers by exploiting an unpatched security vulnerability. The attack is spreading rapidly, turning compromised devices into part of a global botnet used for cyberattacks.
How Ballista Works
Exploiting a Critical TP-Link Router Flaw
The botnet takes advantage of CVE-2023-1389, a remote code execution (RCE) vulnerability that allows attackers to gain full control over unpatched TP-Link Archer routers. Once infected, the device becomes a botnet node, carrying out further attacks without the owner’s knowledge.
Targets Thousands of Devices Worldwide
Ballista has already compromised over 6,000 routers across multiple countries, including Brazil, Poland, the UK, Bulgaria, and Turkey. The number continues to rise as more unpatched routers are discovered.
Automated Spread & Control
- The botnet uses a malware dropper to install itself on the router.
- It creates an encrypted connection to a command-and-control (C2) server, allowing attackers to issue remote commands.
- Once in, attackers can launch DDoS attacks, steal sensitive data, or propagate malware further.
How to Protect Your TP-Link Router
Update Firmware Immediately
Check for firmware updates on your TP-Link router and install the latest security patches to close the vulnerability.
Disable Remote Management
If you don’t need it, turn off remote access features to reduce exposure to attacks.
Change Default Passwords
Hackers exploit weak credentials—update your router’s login details with a strong, unique password.
Monitor Your Network for Suspicious Activity
If you notice unusual slowdowns, unknown devices, or abnormal traffic, your router may be compromised.
Reset & Reconfigure if Necessary
If you suspect an infection, factory reset your router, reinstall firmware updates, and set up new credentials before reconnecting.
Why This Matters
Botnets like Ballista are increasingly being used for massive cyberattacks, including DDoS attacks, data theft, and malware distribution. Leaving a router unpatched can turn it into a cyber weapon controlled by hackers, putting personal and business networks at serious risk.