CVE-2025-65882

An issue was discovered in openmptcprouter thru 0.64 in file common/package/utils/sys-upgrade...

9.8 Critical

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 allowing attackers to potentially write arbitrary files or execute arbitrary commands.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.64%Up 0.6 points since Dec 10, 2025

What each source reports

CVE List Score used 9.8

Record: CVE-2025-65882
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2025-202318 9.8

Record: EUVD-2025-202318
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-q62x-rch6-pwxf 9.8

An issue was discovered in openmptcprouter thru 0.64 in file common/package/utils/sys-upgrade...

Record: GHSA-q62x-rch6-pwxf
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

NVD 9.8

Record: CVE-2025-65882
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-04

OSV 9.8

Record: CVE-2025-65882
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-05

Affected products

openmptcprouter

History

History
Recorded	Changed	Sources
Nov 4, 2026	facts	NVD
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-65882 is a critical vulnerability (CVSS 9.8) in Openmptcprouter, published December 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 51st percentile. No source names a fixed version.