CVE-2026-9477

8.9 highEPSS 1.9%

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument mac results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

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: 1.9% chance of exploitation in the next 30 days; higher than 79% 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_349/README.md
https://vuldb.com/submit/813460
https://vuldb.com/vuln/365458
https://vuldb.com/vuln/365458/cti
https://www.totolink.net/

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