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TI-2026-84918 Aliases CVE-2026-112116GHSA-4x42-7325-2pc4

Exposed IOCTL in ASUS System Control Interface allows memory access

Priority LOW 38CWE-782Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
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

ASUS System Control Interface from 3.1.66.0 through 3.1.69.0 is affected. An exposed IOCTL with insufficient access control (CWE-782) lets a local user with low privileges read and write arbitrary physical memory through crafted device control requests. Successful exploitation can lead to complete compromise of the affected system.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

An exposed IOCTL with insufficient access control in ASUS System Control Interface allows a local, low-privileged user to read and write arbitrary physical memory through crafted device control requests, ultimately resulting in a complete compromise of the affected system. Refer to the ' Security Update for ASUS System Control Interface ' section on the ASUS Security Advisory for more information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00107 1st 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
ASUSSystem Control Interface3.1.66.0 – 3.1.69.0—No fix listedCNA
  • System Control Interface VendorASUS Affected 3.1.66.0 – 3.1.69.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for ASUS System Control Interface. The source description refers to the Security Update for ASUS System Control Interface section of the ASUS Security Advisory.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-112116
  2. 2026-11-04 Alias added: GHSA-4x42-7325-2pc4
  3. 2026-11-04 CISA SSVC decision points changed
  4. 2026-11-04 Priority changed: MEDIUM → LOW

References

Other 1

  • TI-2021-12008 The administrator application on ASUS GT-AC2900 devices before 3.0.0.4.386.42643 and Lyra… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-36933 "UNSUPPORTED WHEN ASSIGNED" Certain versions of the ASUS Live Update client were… KEVCVSS 4.0CRITICAL 9.3
  • TI-2023-20780 OS command injection in ASUS RT-AX55 KEVCVSS 3.1HIGH 8.8
  • TI-2018-04367 An issue was discovered in AsusWRT before 3.0.0.4.384_10007. CVSS 3.0CRITICAL 9.8
  • TI-2018-04368 An issue was discovered in AsusWRT before 3.0.0.4.384_10007. CVSS 3.0CRITICAL 9.8
  • TI-2014-07780 common.c in infosvr in ASUS WRT firmware 3.0.0.4.376_1071, 3.0.0.376.2524-g0013f52, and… CVSS 2.0HIGH 10.0
See all 365 →

Sources

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