CVE-2026-9387

Totolink A8000RU Web Management cstecgi.cgi setUpgradeFW os command injection

CVSS 9.3 CRITICALEPSS 1.7%CWE-77 CWE-78

Vexday Risk Score

48Atención

Decisión SSVC (CISA)

Attend

PoC disponible → seguir de cerca

CVSS 9.3EPSS 1.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Ciclo de vida

24 may 2026Publicada en NVD

Recomendación: Planificar corrección próxima — ya existe PoC pública.

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument resetFlags results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Productos afectados

Totolink · A8000RU

PoCs públicas encontradas — 1

cve_referencegithub.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_334/README.mdno verificado

⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.

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Referencias

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_334/README.md https://vuldb.com/submit/813433 https://vuldb.com/vuln/365350 https://vuldb.com/vuln/365350/cti https://www.totolink.net/