CVE-2026-9407

9.8 CRITICAL

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521

Published: 2026-05-25 · Last updated: 2026-05-26

Severity and scoring

CVSS: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-77, CWE-78

Description

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-9407
[Other]https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_339/README.md
[Other]https://vuldb.com/submit/813442
[Other]https://vuldb.com/vuln/365388
[Other]https://vuldb.com/vuln/365388/cti
[Other]https://www.totolink.net/

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