CVE-2026-6116

CRITICAL 9.8

Totolink A7100RU CGI cstecgi.cgi setDiagnosisCfg os command injection

CVSS Score

9.8

EPSS Score

0.9%

EPSS Percentile

76th

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument ip leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a7100ru
Published	Apr 12, 2026
Last Updated	Apr 13, 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/356976 vuldb.com: https://vuldb.com/vuln/356976/cti vuldb.com: https://vuldb.com/submit/792249 github.com: https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_181/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust2 (VulDB User)