A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

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Workaround

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History

Tue, 28 Apr 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink a8000ru
Vendors & Products Totolink a8000ru

Tue, 28 Apr 2026 09:15:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
Title Totolink A8000RU CGI cstecgi.cgi setWiFiEasyGuestCfg os command injection
First Time appeared Totolink
Totolink a8000ru Firmware
Weaknesses CWE-77
CWE-78
CPEs cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink a8000ru Firmware
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.8, 'vector': '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'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS: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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-04-28T08:15:14.987Z

Reserved: 2026-04-27T17:22:56.495Z

Link: CVE-2026-7244

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-28T09:16:17.950

Modified: 2026-04-28T09:16:17.950

Link: CVE-2026-7244

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T10:30:28Z

Weaknesses