SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-35087

It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U.

CRITICAL 9.8EPSS 1.07%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by lacking validation for a specific value when calling cm_processChangedConfigMsg in ccm_processREQ_CHANGED_CONFIG function in AiMesh system. An unauthenticated remote attacker can exploit this vulnerability without privilege to perform remote arbitrary code execution, arbitrary system operation or disrupt service. This issue affects RT-AX56U V2: 3.0.0.4.386_50460; RT-AC86U: 3.0.0.4_386_51529.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.07% probability · 63th percentile
CISA KEV
Not listed
Weakness
CWE-134
Affected
asus/rt-ac86u firmware · asus/rt-ax56u v2 firmware
Source
twcert@cert.org.tw

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.