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9.1

Sunhillo SureLine before 9.1.5 lets attackers hijack sessions

CVE-2026-112352 · published today
Summary

Versions of Sunhillo SureLine earlier than 9.1.5 can be tricked into accepting a fake login cookie. An attacker on the network could guess common usernames and gain the same access as any logged‑in user, potentially reaching administrative privileges. Update to version 9.1.5 or later, or apply the vendor’s patch, to stop this risk.

Original advisory text
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...
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
9.1 Critical
Type
CWE-565Reliance on Cookies without Validation and Integrity Checking
Timeline
Published27 Oct 2026
Updated27 Oct 2026
First seen27 Oct 2026
Sources
CVE-2026-112352 · NVD
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