Summary
generated automatically from NVD dataTotolink A8000RU firmware version 7.1cu.643_b20200521 contains an OS command injection flaw in the setTelnetCfg function of /cgi-bin/cstecgi.cgi, part of the CGI Handler component. Manipulating the telnet_enabled argument lets an attacker inject operating system commands, and the attack can be launched remotely. The NVD description notes that a public exploit is available, and the flaw is rated CRITICAL with a CVSS v3.1 score of 9.8.
NVD description
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnet_enabled leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
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 2026-10-19, 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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