CVE-2025-3241Public exploitNetwork attack vector

Authenticated file disclosure via unsafe XML parsing

Published Apr 4, 2025 · Updated Apr 4, 2025

XXE in Youkefu 4.0 through 4.2 allows remote authenticated users to read server files or trigger server-side requests. CallCenterRouterController passes the routercontent parameter directly to dom4j SAXReader with external entity resolution enabled. Access to the administrative call-center router update workflow is required; crafted XML can disclose local files or make the server contact attacker-chosen URLs.

CVSS severity5.3
Medium
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE in Youkefu 4.0 through 4.2 allows remote authenticated users to read server files or trigger server-side requests. CallCenterRouterController passes the routercontent parameter directly to dom4j SAXReader with external entity resolution enabled. Access to the administrative call-center router update workflow is required; crafted XML can disclose local files or make the server contact attacker-chosen URLs.

The record

CVE
CVE-2025-3241
Published
Apr 4, 2025
Updated
Apr 4, 2025
Vendor
Zhangyanbo2007
Product
Youkefu
Classifications
CWE-610, CWE-611, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0
  2. Affected versionversion=4.1
  3. Affected versionversion=4.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Zhangyanbo2007 · Youkefuversion=4.0; version=4.1; version=4.2

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-610Externally Controlled Reference to a Resource in Another Sphere
CWE-611Improper Restriction of XML External Entity Reference
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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