CVE-2026-9386

8.9 highEPSS 1.7%

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection. The attack may be performed from remote. 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_333/README.md
https://vuldb.com/submit/813432
https://vuldb.com/vuln/365349
https://vuldb.com/vuln/365349/cti
https://www.totolink.net/

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