CVE-2025-52905
HighCVSS 7.5Exploitation Probability (EPSS)
Very high risk95th percentile - higher than 95% of all known CVEs
Summary
Improper input validation vulnerability in TOTOLINK X6000R allows flooding attacks. Affects versions up to V9.4.0cu.1360_B20241207.
Risk Assessment
An attacker can overwhelm the device with excessive traffic, potentially leading to denial of service (DoS) and making the router unusable.
Recommendation
Update TOTOLINK X6000R firmware to the latest version with a fix. Implement traffic limiting mechanisms such as rate limiting.
Other vulnerabilities in TOTOLINK X6000R
See all- CVE-2026-105484Critical
A vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The issue affects the firmware_check function in /cgi-bin/cstecgi.cgi of the UploadFirmwareFile Handler component. Manipulation of the file_name argument leads to OS command injection. The attack can be performed remotely.
- CVE-2026-1723Critical
OS Command Injection vulnerability in TOTOLINK X6000R. The issue affects versions up to V9.4.0cu.1498_B20250826. An attacker can exploit this vulnerability to execute arbitrary system commands.
- CVE-2025-11005Critical
OS command injection vulnerability in TOTOLINK X6000R allows an attacker to execute arbitrary system commands. Affects versions up to V9.4.0cu.1458_B20250708.
- CVE-2024-52723Critical
In the TOTOLINK X6000R router running firmware version V9.4.0cu.1041_B20240224, the Uci_Set_Str function in the shttpd file is used without strict parameter filtering. An attacker can achieve arbitrary command execution by crafting a malicious payload.
- CVE-2023-50651Critical
A remote command execution (RCE) vulnerability was discovered in the TOTOLINK X6000R router running firmware version v9.4.0cu.852_B20230719, specifically in the /cgi-bin/cstecgi.cgi component. An attacker can send a crafted request to execute arbitrary commands on the device.
Original NVD description (English source)
Improper Input Validation vulnerability in TOTOLINK X6000R allows Flooding.This issue affects X6000R: through V9.4.0cu.1360_B20241207.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS