ASUS RT-AX56U V2 & RT-AC86U - Format String -1
CVE-2023-35086

7.2HIGH

Key Information:

Vendor
Asus
Status
Rt-ax56u V2
Rt-ac86u
Vendor
CVE Published:
21 July 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A format string vulnerability has been identified in ASUS RT-AX56U V2 and RT-AC86U routers, specifically within the logmessage_normal function of the do_detwan_cgi module in the HTTP daemon. This flaw allows a remote attacker with administrator privileges to exploit the system, potentially leading to arbitrary code execution and unauthorized system operations or service disruptions. The affected firmware versions include 3.0.0.4.386_50460 for RT-AX56U V2 and 3.0.0.4_386_51529 for RT-AC86U.

Affected Version(s)

RT-AC86U 3.0.0.4_386_51529

RT-AX56U V2 3.0.0.4.386_50460

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-35086-POC
Created by tin-z

References

https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.html

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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