Patchfirst
CVE-2026-105484 Public exploit Critical · 10.0 EPSS 2.1%

A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116

TOTOLINK · X6000R

Summary

The TOTOLINK X6000R router firmware (version 9.4.0cu.652_B20230116) contains an OS command injection flaw in the firmware_check function of /cgi-bin/cstecgi.cgi, part of the UploadFirmwareFile handler, where the file_name argument is not properly sanitised. A remote attacker can exploit it over the network without authentication or user interaction, by manipulating file_name to execute arbitrary operating system commands on the device.

Official description · NVD

A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the function firmware_check of the file /cgi-bin/cstecgi.cgi of the component UploadFirmwareFile Handler. Such manipulation of the argument file_name leads to os command injection. The attack may be performed from remote.

Breakdown
30.6 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Public exploit code (PoC-in-GitHub) appeared 14 days after disclosure. No confirmed exploitation is recorded.

  1. Disclosedday 0
  2. Public exploit codePoC-in-GitHub+14 days

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 8 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

5 links, grouped by NVD tag
↑ ↓ chooseEnter openEsc close