CVE-2026-6113

CRITICAL 9.8

Totolink A7100RU CGI cstecgi.cgi setTtyServiceCfg os command injection

CVSS Score

9.8

EPSS Score

0.9%

EPSS Percentile

76th

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setTtyServiceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument ttyEnable leads to os command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may 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/356973 vuldb.com: https://vuldb.com/vuln/356973/cti vuldb.com: https://vuldb.com/submit/792246 github.com: https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_178/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust2 (VulDB User)