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CVE-2025-41767— Signature bypass on update upload

CVSS 7.2 · High EPSS 0.04% · P11
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I. Basic Information for CVE-2025-41767

Vulnerability Information
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Vulnerability Title
Signature bypass on update upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
A high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulnerability in the wwwupdate.cgi method in the web interface of UBR.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
MBS多款产品 数据伪造问题漏洞
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多款产品存在数据伪造问题漏洞，该漏洞源于高权限远程攻击者可利用web界面中wwwupdate.cgi方法的更新签名绕过漏洞，可能导致设备完全被控制。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

VendorProductAffected VersionsCPESubscribe
MBSUBR-01 Mk II 0.0.0 ~ 6.0.1.0 -
MBSUBR-02 0.0.0 ~ 6.0.1.0 -
MBSUBR-LON 0.0.0 ~ 6.0.1.0 -

II. Public POCs for CVE-2025-41767

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III. Intelligence Information for CVE-2025-41767

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

CVE-2025-417649.1 CRITICALUnchecked role in wwwupdate.cgi
CVE-2025-417659.1 CRITICALUnchecked role in wwwupload.cgi
CVE-2025-417588.8 HIGHArbitrary Write with wwwupload.cgi
CVE-2025-417668.8 HIGHStack buffer overflow on parsing web request
CVE-2025-417578.8 HIGHArbitrary Write with ubr-restore
CVE-2025-417568.1 HIGHArbitrary Write with ubr-editfile
CVE-2025-417617.8 HIGHPrivilege escalation possible
CVE-2025-417727.5 HIGHwwwupdate.cgi Session token in URL
CVE-2025-417636.5 MEDIUMUnchecked role in wwwdnload.cgi
CVE-2025-417546.5 MEDIUMArbitrary Read with ubr-editfile
CVE-2025-417556.5 MEDIUMArbitrary Read with ubr-logread
CVE-2025-417626.2 MEDIUMSecret leak with wwwdnload.cgi
CVE-2025-417604.9 MEDIUMPass filter with Empty Table
CVE-2025-417594.9 MEDIUMUse of wildcard (“*” or “all”) in Block list

IV. Related Vulnerabilities

Same product: UBR-01 Mk II
Same vendor: MBS
Same weakness: CWE-347

V. Comments for CVE-2025-41767

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