CVE-2026-9404

9.8 CRITICAL

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521

Published: 2026-05-24 · 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 vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit is publicly available and might be used.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-9404
[Other]https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_336/README.md
[Other]https://vuldb.com/submit/813439
[Other]https://vuldb.com/vuln/365385
[Other]https://vuldb.com/vuln/365385/cti
[Other]https://www.totolink.net/

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