CVE-2026-7204: Totolink A8000RU CGI cstecgi.cgi setPptpServerCfg os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-28 · updated 2026-07-24
Weakness: CWE-77

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setPptpServerCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument enable causes os command injection. The attack may be initiated 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_323/README.md
https://vuldb.com/submit/801530
https://vuldb.com/vuln/359804
https://vuldb.com/vuln/359804/cti
https://www.totolink.net/

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