ZDI-CAN-23193: ZDI-25-1069: (Pwn2Own) oFono CUSD Stack-based Buffer Overflow Code Execution Vulnerability
Published Dec 10, 2025
·Updated
This vulnerability allows local attackers to execute arbitrary code on affected installations of oFono. An attacker must first obtain the ability to execute code on the target modem in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-7539.
Affected Software
1 affected component
oFono oFono
Event History
Dec 10, 2025
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
Frequently Asked Questions
1
What is the severity of ZDI-CAN-23193?
The severity of ZDI-CAN-23193 has been rated with a CVSS score of 7.8.
2
How do I fix ZDI-CAN-23193?
To fix ZDI-CAN-23193, update oFono to the latest version that addresses this vulnerability.
3
Who is affected by ZDI-CAN-23193?
ZDI-CAN-23193 affects installations of oFono on target modems.
4
What type of vulnerability is ZDI-CAN-23193?
ZDI-CAN-23193 is a remote code execution vulnerability that allows local attackers to execute arbitrary code.
5
What must an attacker do to exploit ZDI-CAN-23193?
An attacker must first gain the ability to execute code on the target modem to exploit ZDI-CAN-23193.