CVE-2026-112352

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering.

Exploit odds

1.5% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2026-10-19 14:41 UTC ReservedThe CVE id was reserved by its CNA
2. 2026-10-27 20:17 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-11-03 16:21 UTC Last updatedMost recent change to the record

Details

Published

2026-10-27 20:17 UTC

Last modified

2026-11-03 16:21 UTC

Exploit probability

1.5% · EPSS, next 30 days

Weakness

CWE-565

Record status

Analyzed

Affected

• Sunhillo Sureline < 9.1.5

Attack profile CVSS 4.0 · 9.1

Attack vector

Network

Complexity

Low

Attack requirements

Present

Privileges needed

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

None