Summary
generated automatically from NVD dataCVE-2026-7136 affects the Totolink A8000RU router running firmware 7.1cu.643_b20200521. The setDmzCfg function in /cgi-bin/cstecgi.cgi (CGI Handler component) fails to safely handle the wanIdx argument, so a crafted value can lead to OS command injection (CWE-77). The attack can be launched remotely, and a public exploit is available. The CVSS v3.1 score is 9.8 (CRITICAL).
NVD description
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx can lead to os command injection. The attack may 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 2026-10-19, 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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