Home→Vulnerabilities→CVE-2026-6131
Critical Risk Disclosed

CVE-2026-6131

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument command results in os command injection. The attack may be launched remotely. The exploit has been made public and could be used.

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Exploitation Probability (EPSS)

Low Priority
1.22%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events
Apr 12, 2026
Vulnerability Disclosed
Published to component-level vulnerability database.
Apr 27, 2026
Last Updated
Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_182/README.mdGitHub
https://vuldb.com/submit/792251Vuldb
https://vuldb.com/vuln/356995Vuldb
https://vuldb.com/vuln/356995/ctiVuldb

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Check your domain or package.json for CVE-2026-6131 exposure.

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Vulnerability Details

CVSS Base Score
9.8/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published Date
Apr 12, 2026
Last Modified
Apr 27, 2026
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