CVE-2026-84729

Buffer Overflow in ASUS Router Firmware Causes Denial of Service

Published Nov 4, 2026 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Description
Out-of-bounds write in certain ASUS Router firmware allow an unauthenticated nearby attacker to write data beyond the intended buffer or potentially cause a denial-of-service (DoS) via a crafted packet.
Refer to the ' 
Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Buffer Overflow in ASUS Router Firmware Causes Denial of Service
Type Values Removed Values Added
Description Out-of-bounds write in certain ASUS Router firmware allow an unauthenticated nearby attacker to write data beyond the intended buffer or potentially cause a denial-of-service (DoS) via a crafted packet. Refer to the '  Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.
First Time appeared Asus
Asus router Firmware
Weaknesses CWE-787
CPEs cpe:2.3:a:asus:router_firmware:asuswrt_3.0.0.4_386_series:*:*:*:*:*:*:*
cpe:2.3:a:asus:router_firmware:asuswrt_3.0.0.4_388_series:*:*:*:*:*:*:*
cpe:2.3:a:asus:router_firmware:asuswrt_3.0.0.6_102_series:*:*:*:*:*:*:*
Vendors & Products Asus
Asus router Firmware
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ASUS
Published
Updated
Nov 4, 2026, 3:18 PM
Reserved
Sep 2, 2026, 6:17 AM
Status
Awaiting Analysis
Published
Nov 4, 2026, 2:17 AM
Modified
Nov 12, 2026, 7:26 PM