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TI-2026-79585 Aliases CVE-2026-93489GHSA-2wjj-2fhp-gff4

ASUS router improper authentication allows forged admin tickets

Priority LOW 39CWE-287Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

CWE-287 Improper Authentication in ASUS router modules lets an unauthenticated nearby user send an HTTP request and forge an access ticket. The forged ticket lets the user perform administrator operations. CVSS 4.0 base score is 8.7 (HIGH). Affected series are 3.0.0.6_102, 3.0.0.4.388 and 3.0.0.4.386, and the affected product is listed as Router.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

Improper Authentication in ASUS router modules allows an unauthenticated nearby user to send an HTTP request and forge an access ticket, subsequently enabling the user to perform administrator operations. Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 14th 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
ASUSRouter3.0.0.6_102 series; 3.0.0.4.388 series; 3.0.0.4.386 series—No fix listedCNA
  • Router VendorASUS Affected 3.0.0.6_102 series; 3.0.0.4.388 series; 3.0.0.4.386 series Fixed in — No fix listed CNA

Remediation

No fixed version is listed for these series. The ASUS Security Advisory has a 'Security Update for ASUS Router Firmware' section with further information.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-93489
  2. 2026-10-23 Alias added: GHSA-2wjj-2fhp-gff4
  3. 2026-10-23 CISA SSVC decision points changed
  4. 2026-10-23 Priority changed: MEDIUM → LOW
  5. 2026-10-24 CISA SSVC decision points changed
  6. 2026-11-02 Affected versions changed · CNA

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