CVE-2025-65882

An issue was discovered in openmptcprouter thru 0.64 in file common/package/utils/sys-upgrade-helper/src/tools/sysupgrade.c in function create_xor_ipad_opad…

Critical · published December 9, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
50.3
In the wild
Unconfirmed
What it is

🚨 A sneaky flaw lurking in openmptcprouter allows attackers to execute arbitrary commands and write any file they desire! 🔥 Think of this vulnerability like a construction site without a proper security check — anyone could stroll in and start changing plans or even tearing down walls without permission! If exploited, this vulnerability could lead to devastating consequences, allowing attackers full reign to manipulate your system, steal sensitive data, or even render your services inoperable. That's some serious chaos waiting to happen! ⚠️

Put simply

Think of this vulnerability like a construction site without a proper security check — anyone could stroll in and start changing plans or even tearing down walls without permission! The issue resides in the `create_xor_ipad_opad` function of `sysupgrade.c`, which fails to properly validate input, enabling attackers to bypass safeguards and run their own commands or alter files on the system.

What to do

If exploited, this vulnerability could lead to devastating consequences, allowing attackers full reign to manipulate your system, steal sensitive data, or even render your services inoperable. That's some serious chaos waiting to happen! ⚠️ Immediate action is crucial! Update your openmptcprouter to version 0.65 or later to patch this vulnerability. Also, consider reviewing and tightening your system's overall security practices to prevent similar issues. You've got this! Implement these changes and you'll be a security superhero in no time! 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00644 · 50.3th percentile
Published
2025-12-09T00:00Z
EPSS history
Timeline
  • 09 DEC 00:00Z
    An issue was discovered in openmptcprouter thru 0.64 in file common/package/utils/sys-upgrade-helper/src/tools/sysupgrade.c in function create_xor_ipad_opad…
    cvelistv5