CVE-2025-41762 PUBLISHED

Secret leak with wwwdnload.cgi

Assigner: CERTVDE
Reserved: 16.04.2025 Published: 09.03.2026 Updated: 09.03.2026

An unauthenticated attacker can abuse the weak hash of the backup generated by the wwwdnload.cgi endpoint to gain unauthorized access to sensitive data, including password hashes and certificates.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 6.2

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	MBS
Product	UBR-01 Mk II
Versions	Default: unaffected affected from 0.0.0 to 6.0.1.0 (excl.)

Vendor	MBS
Product	UBR-02
Versions	Default: unaffected affected from 0.0.0 to 6.0.1.0 (excl.)

Vendor	MBS
Product	UBR-LON
Versions	Default: unaffected affected from 0.0.0 to 6.0.1.0 (excl.)

Credits

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

References

https://www.mbs-solutions.de/mbs-2025-0001

Problem Types

CWE-328 Use of Weak Hash CWE