CVE-2026-9457

8.9 highEPSS 2.1%

High (8.9). EPSS 2.1% chance of exploitation in the next 30 days.

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

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: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-78
Published: 2026-05-25
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_343/README.md
https://vuldb.com/submit/813454
https://vuldb.com/vuln/365438
https://vuldb.com/vuln/365438/cti
https://www.totolink.net/

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