CVE-2026-25872 PUBLISHED

JUNG Smart Panel 5.1 KNX Unauthenticated Path Traversal

Assigner: VulnCheck
Reserved: 06.02.2026 Published: 10.02.2026 Updated: 10.02.2026

JUNG Smart Panel KNX firmware version L1.12.22 and prior contain an unauthenticated path traversal vulnerability in the embedded web interface. The application fails to properly validate file path input, allowing remote, unauthenticated attackers to access arbitrary files on the underlying filesystem within the context of the web server. This may result in disclosure of system configuration files and other sensitive information.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 5.3

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

CVSS 3.1

Product Status

Vendor	ALBRECHT JUNG GMBH & CO. KG
Product	JUNG Smart Panel 5.1 KNX
Versions	Default: unaffected affected from 0 to L1.12.22 (incl.)

Credits

Gjoko Krstic of Zero Science Lab finder

References

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE