CVE-2026-7121

A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.

CVSS 4.0

8.9CVSS: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

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

1.9% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-25)

CWEs

CWE-77, CWE-78

Published

2026-04-27

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

References

• https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_306/README.md
• https://vuldb.com/submit/800933
• https://vuldb.com/vuln/359720
• https://vuldb.com/vuln/359720/cti
• https://www.totolink.net/

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