CVE-2025-41772 PUBLISHED

wwwupdate.cgi Session token in URL

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

An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext within the URL parameters of the wwwupdate.cgi endpoint in UBR.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 7.5

Attack Vector	Network	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-598 Use of GET Request Method With Sensitive Query Strings CWE