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CVSS 9.8 · CRITICAL

CVE-2026-7125

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

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Análisis

This vulnerability is an OS command injection in the firmware of a specific Totolink A8000RU router model. It is a vendor-specific IoT bug that does not impact the software development stack, Linux servers, or cloud infrastructure used by the community.

Severidad

Puntaje: 9.8(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Tipo de falla (CWE): CWE-77CWE-78

EPSS

Probabilidad de explotación (próx. 30 días): 0.0125 (1.3%)
Percentil: 79.5%
EPSS: 2026-05-06

Descripción técnica

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

Publicada: 27/4/2026, 13:16:05
Última modificación: 27/4/2026, 18:36:42

Referencias

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