CVE-2026-127274: falha de média gravidade em Linksys EA8100
Linksys EA8100 CheckAdminPassword excessive authentication
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
10Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.3
A vulnerability was found in Linksys EA8100 1.0.3.216940. This vulnerability affects unknown code of the file /jnap/core/CheckAdminPassword. The manipulation results in improper restriction of excessive authentication attempts. The attack may be performed from remote. The attack requires a high level of complexity. It is stated that the exploitability is difficult. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Produtos afetados
Linksys · EA8100CVEs relacionadas — Linksys EA8100
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CVE-2026-127277CRITICALLinksys EA8100 SMB Service service_smbd.sh initializationEPSS —CVE-2026-127276MEDIUMLinksys EA8100 Web UI cookie httponly flagEPSS —CVE-2026-127275CRITICALLinksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authenticationEPSS —CVE-2026-127273MEDIUMLinksys EA8100 JNAP API IsAdminPasswordDefault missing authenticationEPSS —
Referências
https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-2-no-rate-limiting-or-lockout-on-admin-authentication-jnap-checkadminpasswordhttps://vuldb.com/cve/CVE-2026-127274https://vuldb.com/submit/1040995https://vuldb.com/vuln/436429https://vuldb.com/vuln/436429/ctihttps://www.linksys.com/