CVE-2026-9404

8.9 highEPSS 1.7%

High (8.9). EPSS 1.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.9 high

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

CVSS 3.1

9.8 critical

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

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-78
Published: 2026-05-24
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_336/README.md
https://vuldb.com/submit/813439
https://vuldb.com/vuln/365385
https://vuldb.com/vuln/365385/cti
https://www.totolink.net/

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