CVE-2023-34359

ASUS RT-AX88U - Out-of-bounds Read - 2

HIGH
7.5
CVSS Score
Published: July 31, 2023 at 04:31 AM UTC
Updated: June 17, 2026 at 06:03 AM UTC
2 products affected across 1 vendorRt AX88U FirmwareRT-AX88U

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

ASUS RT-AX88U's httpd is subject to an unauthenticated DoS condition. A remote attacker can send a specially crafted request to the device which causes the httpd binary to crash within the "do_json_decode()" function of ej.c, resulting in a DoS condition.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.0.0.4.388.23748
Affected range stops below 3.0.0.4.388.23748, so it looks safe — our inference, not a vendor statement
v ≤ 3.0.0.4.388_22525-gd35b8fev < 3.0.0.4.388.23748
Affected range stops below 3.0.0.4.388.23748, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHtwcert
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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