CVE-2026-6027

CRITICAL 9.8

Totolink A7100RU CGI cstecgi.cgi setUrlFilterRules os command injection

CVSS Score

9.8

EPSS Score

0.9%

EPSS Percentile

76th

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. This issue affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enable can lead to os command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a7100ru
Published	Apr 10, 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/356603 vuldb.com: https://vuldb.com/vuln/356603/cti vuldb.com: https://vuldb.com/submit/792048 github.com: https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_172/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust (VulDB User)