CVE-2026-6140

HIGH EPSS 80.3%
Published Apr 13, 20262mo ago · Modified Jun 17, 20261w ago
8.9 CVSS 4.0
High
Find Similar
Published Apr 13, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument FileName results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used.

CVSS Details

Base Score
8.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
80.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection

References 5

  • github.com https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_193/README.md
  • vuldb.com https://vuldb.com/submit/792987
  • vuldb.com https://vuldb.com/vuln/357004
  • vuldb.com https://vuldb.com/vuln/357004/cti
  • totolink.net https://www.totolink.net/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.