MBS-Solutions Firmware V6_00_05 /cgi-bin/wwwugw.cgi ugw-usr-edit access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.9$0-$5k0.00

Summaryinfo

A vulnerability classified as very critical has been found in MBS-Solutions Firmware V6_00_05. This issue affects the function ugw-usr-edit of the file /cgi-bin/wwwugw.cgi. Performing a manipulation results in access control. This vulnerability is known as CVE-2026-75167. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in MBS-Solutions Firmware V6_00_05. It has been classified as very critical. This affects the function ugw-usr-edit of the file /cgi-bin/wwwugw.cgi. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A broken access control vulnerability in the ugw-usr-edit method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated user with the low-privileged Standard role to change the password of arbitrary accounts.

The advisory is shared at en.mbs-solutions.de. This vulnerability is uniquely identified as CVE-2026-75167 since 08/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/04/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.9

VulDB Base Score: 9.9
VulDB Temp Score: 9.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/17/2026 CVE reserved
09/04/2026 +18 days Advisory disclosed
09/04/2026 +0 days VulDB entry created
09/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: en.mbs-solutions.de
Status: Not defined

CVE: CVE-2026-75167 (🔒)
GCVE (CVE): GCVE-0-2026-75167
GCVE (VulDB): GCVE-100-398985

Entryinfo

Created: 09/04/2026 18:43
Changes: 09/04/2026 18:43 (54)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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