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CVE-2025-13283

Chunghwa Telecom｜TenderDocTransfer - Arbitrary File Copy and Paste

HIGH
7.1
CVSS Score
Published: November 17, 2025 at 03:30 AM UTC
Updated: October 7, 2026 at 09:10 PM UTC
2 products affected across 2 vendorsTenderdoctransferTenderDocTransfer

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

TenderDocTransfer developed by Chunghwa Telecom has a Arbitrary File Copy and Paste vulnerability. The application sets up a simple local web server and provides APIs for communication with the target website. Due to the lack of CSRF protection in the APIs, unauthenticated remote attackers could use these APIs through phishing. Additionally, one of the APIs contains an Absolute Path Traversal vulnerability. Attackers can copy arbitrary files on the user's system and paste them into any path, which poses a potential risk of information leakage or could consume hard drive space by copying files in large volumes.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tenderdoctransfer· Cht
95%
v < 0.41.159
TenderDocTransfer· Chunghwa Telecom
60%
v < 0.41.159
Affected range stops below 0.41.159, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory
Source: cverecord
https://www.twcert.org.tw/tw/cp-132-10510-3719c-1.html
Third Party Advisory
Source: cverecord
https://www.twcert.org.tw/en/cp-139-10511-10f3a-2.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHtwcert
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-352CWE-36

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