Sunhillo SureLine — CVE-2026-112352 (Critical)

Date Oct 27, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Sunhillo · SureLine

CVE CVE-2026-112352

Critical vendor advisory CVE-2026-112352

Summary

Sunhillo SureLine before 9.1.5 contains an authentication bypass vulnerability that allows an unauthenticated remote attacker to impersonate any user with an active web session by forging a session cookie containing only a cleartext username with no random identifier or integrity protection. Attackers can guess default account names such as Admin or sftp_user and submit a forged username cookie to satisfy the login check in checkLogin (libwebcmn.so) and networkDiag.cgi, chaining into root command execution.

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.1) in Sunhillo SureLine. Patch or mitigate promptly. EPSS percentile: 71%.

Operator check

Review CVE-2026-112352 in your asset inventory. Apply patches per vendor guidance and verify SureLine is not exposed. CVSS score: 9.1. EPSS probability: 1.3%; percentile: 71%.

Sources

NVD — CVE-2026-112352 Source reference Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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