Buffer Overflow Vulnerability in Tenda AC500 Integrated Network Functionality
CVE-2023-25234

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
Ac500 Firmware
Vendor
CVE Published:
27 February 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 72%

What is CVE-2023-25234?

The Tenda AC500, specifically version 2.0.1.9(1307), has been identified with a vulnerability that allows for potential buffer overflow in its integrated network functionality. This vulnerability arises from the handling of parameters in the 'fromAddressNat' function, particularly through the 'entrys' and 'mitInterface' parameters. Exploiting this flaw could lead to unauthorized access and manipulation of the device, posing significant risks to network security.

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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-2023-25234_Tenda_AC6_stack_overflow
Created by FzBacon

References

https://github.com/Funcy33/Vluninfo_Repo/tree/main/CNVDs/...

EPSS Score

72% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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