CVE-2026-6131

CRITICAL 9.8

Totolink A7100RU CGI cstecgi.cgi setTracerouteCfg os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a7100ru
Published	Apr 12, 2026
Last Updated	Apr 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / A7100RU

7.4cu.2313_b20191024

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/356995 vuldb.com: https://vuldb.com/vuln/356995/cti vuldb.com: https://vuldb.com/submit/792251 github.com: https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_182/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust2 (VulDB User)