EUVD-2026-80057
GHSA-qh3g-h4q9-2w2q
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (vulncheck) · only source for this CVE.
CVSS VectorVendor: vulncheck
Lifecycle Timeline
2DescriptionCVE.org
Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in l7_web_auth_user_show.cgi related to captive-portal credential handling. Attackers can query this component to obtain captive-portal user credentials, compromising confidentiality of authenticated network access.
AnalysisAI
Netcore NR255-V routers running firmware 1.5.130703 expose captive-portal account credentials through the l7_web_auth_user_show.cgi handler, allowing anyone who can reach the web interface with a low-privileged session to read usernames and passwords stored for web-authentication (captive-portal) users. Successful retrieval hands the attacker working credentials for authenticated network access, so the confidentiality impact is rated High while integrity and availability are unaffected. …
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Same weakness CWE-522 – Insufficiently Protected Credentials
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today