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Description

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.

PUBLISHED Reserved 2026-04-09 | Published 2026-04-10 | Updated 2026-04-14 | Assigner VulDB




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
10.0AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

OS Command Injection

Command Injection

Product status

7.4cu.2313_b20191024
affected

Timeline

2026-04-09:Advisory disclosed
2026-04-09:VulDB entry created
2026-04-09:VulDB entry last update

Credits

LtzHust (VulDB User) reporter

References

vuldb.com/vuln/356603 (VDB-356603 | Totolink A7100RU CGI cstecgi.cgi setUrlFilterRules os command injection) vdb-entry technical-description

vuldb.com/vuln/356603/cti (VDB-356603 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/792048 (Submit #792048 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection) third-party-advisory

github.com/.../vuldb_new/blob/main/A7100RU/vul_172/README.md exploit

www.totolink.net/ product

cve.org (CVE-2026-6027)

nvd.nist.gov (CVE-2026-6027)

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