CVE-2026-9385: Totolink A8000RU Web Management cstecgi.cgi setTracerouteCfg 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: 2026-05-24 · updated 2026-07-23
Weakness: CWE-77

Description

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

Affected products

Totolink A8000RU: 7.1cu.643_b20200521

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_332/README.md
https://vuldb.com/submit/813431
https://vuldb.com/vuln/365348
https://vuldb.com/vuln/365348/cti
https://www.totolink.net/

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