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Status published
High
CVE-2025-41758
Arbitrary Write with wwwupload.cgi
Vulnerability Description
A low-privileged remote attacker can exploit an arbitrary file write vulnerability in the wwupload.cgi endpoint. Due to path traversal this can lead to overwriting arbitrary files on the device and achieving a full system 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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Stack buffer overflow on parsing web request
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CVE-2025-41765
Unchecked role in wwwupload.cgi
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CVE-2025-41764
Unchecked role in wwwupdate.cgi
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9.1
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