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TI-2026-76586 Aliases CVE-2026-112360GHSA-4wqx-c3pj-5r3f

Netis EAP930 CGI Endpoint debug return200 backdoor

Priority MEDIUM 41CWE-912Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Netis EAP930 1.250905.115454 contains a hidden backdoor in the return200 function of the /cgi-bin/debug CGI endpoint. Manipulating the SIGNATURE argument triggers the backdoor (CWE-912). A remote attacker needs high attack complexity to exploit it, and the exploit is assessed as difficult. The vendor did not respond to early disclosure.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A security vulnerability has been detected in Netis EAP930 1.250905.115454. This issue affects the function return200 of the file /cgi-bin/debug of the component CGI Endpoint. The manipulation of the argument SIGNATURE leads to backdoor. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is assessed as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00484 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NetisEAP9301.250905.115454—No fix listedCNA
  • EAP930 VendorNetis Affected 1.250905.115454 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:netis:eap930:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:netis:eap930:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for Netis EAP930.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-112360
  2. 2026-10-20 Alias added: GHSA-4wqx-c3pj-5r3f
  3. 2026-10-20 CISA SSVC decision points changed
  4. 2026-10-20 Priority changed: MEDIUM → LOW
  5. 2026-10-21 Priority changed: LOW → MEDIUM

References

—

  • TI-2019-13967 Netis WF2419 is vulnerable to authenticated Remote Code Execution (RCE) as root through… KEVCVSS 3.1HIGH 7.5
  • TI-2024-15118 NETIS SYSTEMS MW5360 V1.0.1.3031 was discovered to contain a command injection… CVSS 3.1CRITICAL 9.8
  • TI-2024-16976 Netis WF2780 v2.1.40144 was discovered to contain a command injection vulnerability via the wps_ap_ssid5g parameter CVSS 3.1CRITICAL 9.8
  • TI-2023-24351 Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via… CVSS 3.1CRITICAL 9.8
  • TI-2023-24350 Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via… CVSS 3.1CRITICAL 9.8
  • TI-2023-24349 Netis N3Mv2-V1.0.1.865 was discovered to contain a command injection vulnerability via… CVSS 3.1CRITICAL 9.8
See all 67 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences