CVE-2026-4181

D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow

CVSS 9.3 CRITICALEPSS 1.2%CWE-119 CWE-121

Vexday Risk Score

48Atención

Decisión SSVC (CISA)

Attend

PoC disponible → seguir de cerca

CVSS 9.3EPSS 1.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Ciclo de vida

15 mar 2026Publicada en NVD

Recomendación: Planificar corrección próxima — ya existe PoC pública.

A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

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

D-Link · DIR-816

PoCs públicas encontradas — 1

cve_referencegithub.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.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/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md https://vuldb.com/?ctiid.351085 https://vuldb.com/?id.351085 https://vuldb.com/?submit.769829 https://www.dlink.com/