CVE-2021-47726

NuCom 11N Wireless Router 5.07.90 Privilege Escalation via Configuration Backup

CVSS 8.7 HIGHEPSS 0.3%CWE-522

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.7EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

31 dez 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

NuCom 11N Wireless Router 5.07.90 contains a privilege escalation vulnerability that allows non-privileged users to access administrative credentials through the configuration backup endpoint. Attackers can send a crafted HTTP GET request to the backup configuration page with a specific cookie to retrieve and decode the admin password in Base64 format.

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

Produtos afetados

Nucom · NuCom 11N Wireless Router

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Referências

https://www.exploit-db.com/exploits/49634 https://www.nucom.es https://www.vulncheck.com/advisories/nucom-n-wireless-router-privilege-escalation-via-configuration-backup https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5629.php