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CVE-2026-1623

Totolink A7000R cstecgi.cgi setUpgradeFW command injection

CVSS 5.3 MEDIUMEPSS 2.0%CWE-74CWE-77
Vexday Risk Score
13Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS 5.3EPSS 2.0%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
29 jan 2026Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument FileName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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 · A7000R

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Referências
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.mdhttps://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md#pochttps://vuldb.com/?ctiid.343382https://vuldb.com/?id.343382https://vuldb.com/?submit.740767https://www.totolink.net/