Summary
generated automatically from NVD dataTotolink A8000RU firmware 7.1cu.643_b20200521 contains an OS command injection flaw (CWE-77) in the setWiFiEasyGuestCfg function of /cgi-bin/cstecgi.cgi, part of the CGI Handler component. Manipulating the merge argument lets an attacker inject operating system commands, and the attack can be launched remotely. A public exploit has been released, and the flaw is rated CRITICAL with a CVSS v3.1 score of 9.8.
NVD description
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may 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 2026-10-19, recomputed daily by FIRST.org.
CVSS v3.1 Score
Information
- Published
- 28 avr. 2026
- Updated
- 17 juin 2026
- Status
- Deferred
- Source
- cna@vuldb.com
Weaknesses (CWE)
Similar CVEs
Other vulnerabilities of type CWE-77
Monitor your products
Get automatic alerts for every new CVE affecting your equipment.