CVE-2026-9388: Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-24 · updated 2026-07-23
Weakness: CWE-77

Description

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument mode can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

Totolink A8000RU: 7.1cu.643_b20200521

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_335/README.md
https://vuldb.com/submit/813434
https://vuldb.com/vuln/365351
https://vuldb.com/vuln/365351/cti
https://www.totolink.net/

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