CVE-2025-41766 - CVE House
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Status published High CVE-2025-41766

Stack buffer overflow on parsing web request

Vulnerability Description

A low-privileged remote attacker can trigger a stack-based buffer overflow via a crafted HTTP POST request using the ubr-network method resulting in full device compromise.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Adrien Rey from Cyber Defense Campus Zurich
  • Daniel Hulliger from Armasuisse

References

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Affected Vendor

Affected Software

UBR-01 Mk II, UBR-02, UBR-LON
Vulnerable Versions:
0.0.0

Timeline

Official Publish: March 9th, 2026
Last Modified: March 9th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-787

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact