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CVE-2025-41772— wwwupdate.cgi Session token in URL

Quick assessment

Affected
MBS UBR-01 Mk II
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MBS UBR-01 Mk II等都是德国MBS公司的产品。MBS UBR-01 Mk II是一款远程基站设备。MBS UBR-02是一款远程基站设备。MBS UBR-LON是一款工业自动化系统的通信接口设备。 MBS多款产品存在安全漏洞，该漏洞源于未经验证的远程攻击者可获取有效会话令牌，因为这些令牌在wwwupdate.cgi端点的URL参数中以明文形式暴露。以下产品受到影响：MBS UBR-01 Mk II、MBS UBR-02和MBS UBR-LON。

CVSS 7.5 · High EPSS 0.32% · P22
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I. Basic Information for CVE-2025-41772

Vulnerability Information
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Vulnerability Title
wwwupdate.cgi Session token in URL
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker can obtain valid session tokens because they are exposed in plaintext within the URL parameters of the wwwupdate.cgi endpoint in UBR.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过GET请求中的查询字符串导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
MBS多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MBS UBR-01 Mk II等都是德国MBS公司的产品。MBS UBR-01 Mk II是一款远程基站设备。MBS UBR-02是一款远程基站设备。MBS UBR-LON是一款工业自动化系统的通信接口设备。 MBS多款产品存在安全漏洞，该漏洞源于未经验证的远程攻击者可获取有效会话令牌，因为这些令牌在wwwupdate.cgi端点的URL参数中以明文形式暴露。以下产品受到影响：MBS UBR-01 Mk II、MBS UBR-02和MBS UBR-LON。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MBS UBR-01 Mk II 0.0.0 ~ 6.0.1.0 -
MBS UBR-02 0.0.0 ~ 6.0.1.0 -
MBS UBR-LON 0.0.0 ~ 6.0.1.0 -

II. Public POCs for CVE-2025-41772

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III. Intelligence Information for CVE-2025-41772

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Vendor Advisories for CVE-2025-41772 (1)

Same Patch Batch · MBS · 2026-03-09 · 15 CVEs total

CVE-2025-41764 9.1 CRITICAL Unchecked role in wwwupdate.cgi
CVE-2025-41765 9.1 CRITICAL Unchecked role in wwwupload.cgi
CVE-2025-41758 8.8 HIGH Arbitrary Write with wwwupload.cgi
CVE-2025-41766 8.8 HIGH Stack buffer overflow on parsing web request
CVE-2025-41757 8.8 HIGH Arbitrary Write with ubr-restore
CVE-2025-41756 8.1 HIGH Arbitrary Write with ubr-editfile
CVE-2025-41761 7.8 HIGH Privilege escalation possible
CVE-2025-41767 7.2 HIGH Signature bypass on update upload
CVE-2025-41763 6.5 MEDIUM Unchecked role in wwwdnload.cgi
CVE-2025-41754 6.5 MEDIUM Arbitrary Read with ubr-editfile
CVE-2025-41755 6.5 MEDIUM Arbitrary Read with ubr-logread
CVE-2025-41762 6.2 MEDIUM Secret leak with wwwdnload.cgi
CVE-2025-41760 4.9 MEDIUM Pass filter with Empty Table
CVE-2025-41759 4.9 MEDIUM Use of wildcard (“*” or “all”) in Block list

IV. Related Vulnerabilities

Same product: UBR-01 Mk II
Same vendor: MBS
Same weakness: CWE-598

V. Comments for CVE-2025-41772

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