Dashboard / CVE-2026-6140

CVE-2026-6140

HIGH
MEDIUM Priority: 0.20 BB Relevance: 78/100
Published: 2026-04-13 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

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.

Weakness Classification (2)

References & Advisories (5)

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.9 / 10.0 v4.0
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

EPSS — Exploitation Probability

2.20%
Raw Score 0.021990
Percentile 82.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.02199
2026-10-28
0.02199

Intelligence Sources

nvd ref →

External Links