MBS-Solutions Firmware 6_00_05 Permission Configuration /usr/bin/tcpdump -z permission
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.9 | $0-$5k | 0.41- |
Summary
A vulnerability classified as very critical was found in MBS-Solutions Firmware 6_00_05. Impacted is an unknown function of the file /usr/bin/tcpdump of the component Permission Configuration. Executing a manipulation of the argument -z can lead to permission. This vulnerability is handled as CVE-2026-75166. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability was found in MBS-Solutions Firmware 6_00_05. It has been declared as very critical. This vulnerability affects an unknown function of the file /usr/bin/tcpdump of the component Permission Configuration. The manipulation of the argument -z with an unknown input leads to a permission vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Insecure Permission vulnerability in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows the low-privileged service user to execute /usr/bin/tcpdump as root without a password. By leveraging the tcpdump -z option, an authenticated attacker can achieve arbitrary command execution.
The advisory is available at en.mbs-solutions.de. This vulnerability was named CVE-2026-75166 since 08/17/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/04/2026). This vulnerability is assigned to T1222 by the MITRE ATT&CK project.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.9VulDB Meta Temp Score: 9.9
VulDB Base Score: 9.9
VulDB Temp Score: 9.9
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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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: PermissionCWE: CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
08/17/2026 CVE reserved09/04/2026 Advisory disclosed
09/04/2026 VulDB entry created
09/04/2026 VulDB entry last update
Sources
Advisory: en.mbs-solutions.deStatus: Not defined
CVE: CVE-2026-75166 (🔒)
GCVE (CVE): GCVE-0-2026-75166
GCVE (VulDB): GCVE-100-398986
Entry
Created: 09/04/2026 18:43Changes: 09/04/2026 18:43 (55)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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