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Description

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wizard results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

PUBLISHED Reserved 2026-04-12 | Published 2026-04-13 | Updated 2026-04-13 | 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

2026-04-12:Advisory disclosed
2026-04-12:VulDB entry created
2026-04-12:VulDB entry last update

Credits

LtzHuster (VulDB User) reporter

References

vuldb.com/vuln/357034 (VDB-357034 | Totolink A7100RU CGI cstecgi.cgi setWizardCfg os command injection) vdb-entry technical-description

vuldb.com/vuln/357034/cti (VDB-357034 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/792990 (Submit #792990 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection) third-party-advisory

github.com/.../vuldb_new/blob/main/A7100RU/vul_194/README.md exploit

www.totolink.net/ product

cve.org (CVE-2026-6154)

nvd.nist.gov (CVE-2026-6154)

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