CVE-2026-9405: Totolink A8000RU Web Management cstecgi.cgi setGameSpeedCfg os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-25 · updated 2026-07-23
Weakness: CWE-77

Description

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

Affected products

Totolink A8000RU: 7.1cu.643_b20200521

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_337/README.md
https://vuldb.com/submit/813440
https://vuldb.com/vuln/365386
https://vuldb.com/vuln/365386/cti
https://www.totolink.net/

Get alerted when CVE-2026-9405 or the next vulnerability affects your stack