CVE-2026-7241 | THREATINT

Description

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wifiOff results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

PUBLISHED Reserved 2026-04-27 | Published 2026-04-28 | Updated 2026-04-29 | 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

7.1cu.643_b20200521

affected

Timeline

2026-04-27:	Advisory disclosed
2026-04-27:	VulDB entry created
2026-04-27:	VulDB entry last update

Credits

LtzHust2 (VulDB User) reporter

References

vuldb.com/vuln/359848 (VDB-359848 | Totolink A8000RU CGI cstecgi.cgi setWiFiBasicCfg os command injection) vdb-entry technical-description

vuldb.com/vuln/359848/cti (VDB-359848 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/803086 (Submit #803086 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection) third-party-advisory

github.com/...vuldb_new2/blob/main/A8000RU/vul_325/README.md exploit

www.totolink.net/ product

cve.org (CVE-2026-7241)

nvd.nist.gov (CVE-2026-7241)

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