Summary
generated automatically from NVD dataTotolink A8000RU firmware 7.1cu.643_b20200521 contains an OS command injection flaw (CWE-77) in the setAdvancedInfoShow function of /cgi-bin/cstecgi.cgi, part of the CGI Handler component. Manipulating the tty_server argument lets a remote attacker run operating system commands on the device. The description notes that a public exploit is available, and the flaw is rated CVSS 9.8 (CRITICAL, CVSS v3.1).
NVD description
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument tty_server can lead to os command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
EPSS · FIRST.org
3.3%probability of exploitation in the next 30 days
Higher than 88% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-20, recomputed daily by FIRST.org.
CVSS v3.1 Score
Information
- Published
- 27 avr. 2026
- Updated
- 17 juin 2026
- Status
- Deferred
- Source
- cna@vuldb.com
Weaknesses (CWE)
Similar CVEs
Other vulnerabilities of type CWE-77
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