CVE-2024-57357

8.0 HIGH

📋 TL;DR

This vulnerability allows remote attackers to execute arbitrary code on TP-Link TL-WPA8630 powerline adapters via command injection in the 'devpwd' parameter. Attackers can gain full control of affected devices, potentially compromising network security. All users of TP-Link TL-WPA8630(US)_V2 firmware version 2.0.4 Build 20230427 are affected.

💻 Affected Systems

Products:
  • TP-Link TL-WPA8630
Versions: TL-WPA8630(US)_V2 firmware version 2.0.4 Build 20230427
Operating Systems: Embedded firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Specifically affects the US version V2 hardware with the vulnerable firmware build.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full device compromise leading to persistent backdoor installation, network pivoting to other devices, credential theft, and botnet recruitment.

🟠

Likely Case

Remote code execution allowing attackers to modify device settings, intercept network traffic, or use the device as a foothold for further attacks.

🟢

If Mitigated

Limited impact if device is behind firewall with restricted access and network segmentation is implemented.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploit requires network access to device management interface. The GitHub repository contains proof-of-concept code demonstrating the vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check TP-Link website for latest firmware

Vendor Advisory: https://www.tp-link.com/us/support/download/tl-wpa8630/

Restart Required: Yes

Instructions:

1. Visit TP-Link support page for TL-WPA8630. 2. Download latest firmware for your hardware version. 3. Log into device web interface. 4. Navigate to System Tools > Firmware Upgrade. 5. Upload and install new firmware. 6. Device will reboot automatically.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict access to device management interface using firewall rules

Disable Remote Management

all

Disable remote management features if not required

🧯 If You Can't Patch

  • Isolate affected devices on separate VLAN with strict firewall rules
  • Implement network monitoring for suspicious traffic to/from device management interface

🔍 How to Verify

Check if Vulnerable:

Check firmware version in device web interface under System Tools > Firmware Upgrade

Check Version:

Check web interface or use nmap to identify device version

Verify Fix Applied:

Verify firmware version has been updated to a version newer than 2.0.4 Build 20230427

📡 Detection & Monitoring

Log Indicators:

  • Unusual login attempts to device management interface
  • Unexpected configuration changes

Network Indicators:

  • Suspicious traffic patterns from device management port
  • Unexpected outbound connections from device

SIEM Query:

source_ip=DEVICE_IP AND (dest_port=80 OR dest_port=443) AND (uri_contains="devpwd" OR post_data_contains="devpwd")

🔗 References

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