CVE-2024-12646: Chunghwa Telecom topm-client - Arbitrary File Delete

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-12-16 · updated 2026-06-17
Weakness: CWE-36

Description

The topm-client from Chunghwa Telecom has an Arbitrary File Delete 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, allowing attackers to delete arbitrary files on the user's system.

Affected products

Chunghwa Telecom topm-client: from 0.3.14 through 0.3.17

References

https://www.twcert.org.tw/en/cp-139-8304-b83f8-2.html
https://www.twcert.org.tw/tw/cp-132-8298-10b36-1.html

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