CVE-2026-7153: Totolink A8000RU CGI cstecgi.cgi setMiniuiHomeInfoShow os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-27 · updated 2026-10-26
Weakness: CWE-77

Description

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setMiniuiHomeInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument sys_info results in os command injection. The attack can be initiated remotely. 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_317/README.md
https://vuldb.com/submit/801139
https://vuldb.com/vuln/359752
https://vuldb.com/vuln/359752/cti
https://www.totolink.net/

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