Cyber Resilience

CVE-2025-3241

MediumPublic PoC

Published: 04 April 2025

Published
04 April 2025
Modified
10 October 2025
KEV Added
Patch
CVSS Score v4 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0029 53.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-3241 is a medium-severity Externally Controlled Reference to a Resource in Another Sphere (CWE-610) vulnerability in Zhangyanbo2007 Youkefu. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Data from Local System (T1005); ranked in the top 46.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability, which was classified as problematic, was found in zhangyanbo2007 youkefu up to 4.2.0. This affects an unknown part of the file src/main/java/com/ukefu/webim/web/handler/admin/callcenter/CallCenterRouterController.java of the component XML Document Handler. The manipulation of the argument routercontent leads to xml external…

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entity reference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
T1046 Network Service Discovery Discovery
Adversaries may attempt to get a listing of services running on remote hosts and local network infrastructure devices, including those that may be vulnerable to remote software exploitation.
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

XXE vulnerability (CVE-2025-3241) in public-facing web app enables exploitation for initial access (T1190), local file reading for data collection (T1005), and SSRF for internal network service discovery (T1046).

Affected Assets

zhangyanbo2007
youkefu
4.2.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

addresses: CWE-610

Limits impact of an externally controlled reference to a primary information resource by switching to an identified alternative.

addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References