CVE-2025-8938

TOTOLINK N350R Telnet Service formSysTel backdoor

CVSS 5.3 MEDIUMEPSS 0.3%CWE-912

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

14 ago 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

A vulnerability was found in TOTOLINK N350R 1.2.3-B20130826. This issue affects the function formSysTel of the file /boafrm/formSysTel of the component Telnet Service. The manipulation of the argument TelEnabled leads to backdoor. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

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

Produtos afetados

TOTOLINK · N350R

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Referências

https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md#poc https://vuldb.com/?ctiid.319901 https://vuldb.com/?id.319901 https://vuldb.com/?submit.631837 https://www.totolink.net/