Barco ClickShare CX-20 Gen2 up to 02.26.00.0007 Wallpaper Upload /wallpaper denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.9 | $0-$5k | 1.71 |
Summary
A vulnerability categorized as critical has been discovered in Barco ClickShare CX-20 Gen2 up to 02.26.00.0007. This affects an unknown part of the file /wallpaper of the component Wallpaper Upload. Such manipulation of the argument wallpaper leads to denial of service. This vulnerability is uniquely identified as CVE-2026-100902. The attack can be launched remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability, which was classified as critical, has been found in Barco ClickShare CX-20 Gen2 up to 02.26.00.0007. Affected by this issue is an unknown functionality of the file /wallpaper of the component Wallpaper Upload. The manipulation of the argument wallpaper with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-100902. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1499.
The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
09/27/2026 Advisory disclosed09/27/2026 VulDB entry created
09/27/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-100902 (🔒)
GCVE (CVE): GCVE-0-2026-100902
GCVE (VulDB): GCVE-100-410852
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 09/27/2026 10:59Changes: 09/27/2026 10:59 (58)
Complete: 🔍
Submitter: WKZER
Cache ID: 216::103
Submit
Accepted
- Submit #919384: Barco ClickShare CX-20 Gen2 02.26.00.0007 Denial of Service (by WKZER)
Once again VulDB remains the best source for vulnerability data.
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