Path traversal in Sunhillo SureLine lets attackers read arbitrary files
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
Sunhillo SureLine from 8.0.0 before 9.1.5 contains a path traversal flaw (CWE-22) in the radarUpdater.cgi endpoint. Missing authentication checks and insufficient sanitization of the filename parameter let an unauthenticated remote attacker read arbitrary files with root privileges. Such files include /etc/shadow, the web user database, the root SSH private key and the device's TLS private key, which can lead to full system compromise.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Description from the CNA
Sunhillo SureLine before 9.1.5 contains a path traversal vulnerability in the radarUpdater.cgi endpoint that allows unauthenticated remote attackers to read arbitrary files with root privileges due to missing authentication checks and insufficient sanitization of the filename parameter. Attackers can use directory traversal sequences to access sensitive files such as /etc/shadow, the web user database, the root SSH private key, and the device's TLS private key, leading to full system compromise.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update Sunhillo SureLine to version 9.1.5, which fixes this flaw.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
- Fix · CNA SureLine (Sunhillo Corporation) Fixed in 9.1.5
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Sunhillo SureLine 9.1.5
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2026-81519 OS command injection in Sunhillo SureLine via networkDiag.cgiPriority MEDIUM 45
- TI-2026-81524 Authentication bypass in Sunhillo SureLine via forged session cookiePriority MEDIUM 44
Timeline
- 2026-10-27 Threatist record created from CVE-2026-112350
- 2026-10-27 Alias added: GHSA-q7gg-whqr-w8f9
- 2026-10-28 Priority changed: MEDIUM → LOW
- 2026-11-02 CISA SSVC decision points changed
- 2026-11-02 Priority changed: LOW → MEDIUM
References
Other 1
More Sunhillo Sureline vulnerabilities
- TI-2021-14731 Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-81519 OS command injection in Sunhillo SureLine via networkDiag.cgi CVSS 4.0HIGH 8.7
- TI-2026-81524 Authentication bypass in Sunhillo SureLine via forged session cookie CVSS 4.0CRITICAL 9.1
Sources
- CVE-2026-112350 · CVE Program
- CVE-2026-112350 · NVD
- FIRST EPSS
- GHSA-q7gg-whqr-w8f9 · GitHub Advisory Database · CC BY 4.0
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