# CVE-2026-33956: Samsung Exynos mobile processor out-of-bounds write in camera driver

Source: https://junglewise.ai/threats/cve-2026-33956-samsung-exynos-mobile-processor-out-of-bounds-write-in-camera  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-14. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-33956 · Severity: low · CVSS 2.8 · Published 2026-09-14

Samsung's Exynos mobile processors (used in phones and tablets) contain a vulnerability in the camera driver that can be exploited by sending a malformed message. An attacker can trigger an out-of-bounds memory write that causes the device to become unresponsive or crash, disrupting user access to their device.

Technologies: [Samsung Exynos 1330](https://junglewise.ai/threats/technologies/exynos-1330), [Samsung Exynos 1380](https://junglewise.ai/threats/technologies/exynos-1380), [Samsung Exynos 1480](https://junglewise.ai/threats/technologies/exynos-1480), [Samsung Exynos 1580](https://junglewise.ai/threats/technologies/exynos-1580), [Samsung Exynos 2400](https://junglewise.ai/threats/technologies/exynos-2400), [Samsung Exynos 2500](https://junglewise.ai/threats/technologies/exynos-2500). Vendors: [Samsung](https://junglewise.ai/threats/vendors/samsung).

## Quick answers

**Is CVE-2026-33956 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-33956 being exploited in the wild.

**How severe is CVE-2026-33956?** Low severity, with a CVSS score of 2.8, published 14 September 2026.

**Which products and versions are affected?** Samsung Exynos 1330 unknown; Samsung Exynos 1380 unknown; Samsung Exynos 1480 unknown; Samsung Exynos 1580 unknown; and 2 more.

**Is there a fix for CVE-2026-33956?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-33956 attacked?** It is attacked over the network, in device firmware.

**Am I affected by CVE-2026-33956?** Check whether you run Samsung Exynos 1330, Samsung Exynos 1380, Samsung Exynos 1480 or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an out-of-bounds write (buffer overflow) in the camera driver of Samsung's Exynos mobile processors. The flaw is triggered by sending a malformed message to the test_msg sysfs entry, which fails to properly validate input length before writing to memory. This results in memory corruption that can cause denial of service by crashing the camera subsystem or potentially the entire device. The vulnerability is exploitable without authentication and requires only network access to the affected device. Patch availability is not explicitly confirmed in the available advisory content.

## Affected products

- Samsung Exynos 1330 unknown
- Samsung Exynos 1380 unknown
- Samsung Exynos 1480 unknown
- Samsung Exynos 2400 unknown
- Samsung Exynos 1580 unknown
- Samsung Exynos 2500 unknown

## Timeline

- 2026-09-14: disclosed
- 2025-12-02: reported

## References

- [https://semiconductor.samsung.com/support/quality-support/product-security-updates/](https://semiconductor.samsung.com/support/quality-support/product-security-updates/)
- [https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33956/](https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33956/)

## Related threats

- [Samsung Exynos denial of service in Shannon SM Task](https://junglewise.ai/threats/cve-2023-37366-samsung-exynos-denial-of-service-in-shannon-sm-task)
- [Samsung Exynos 5G baseband NULL pointer dereference in RRC Reconfiguration](https://junglewise.ai/threats/cve-2026-33970-samsung-exynos-5g-baseband-null-pointer-dereference-in-rrc)
- [Samsung Exynos camera driver TOCTOU race condition](https://junglewise.ai/threats/cve-2026-33968-samsung-exynos-camera-driver-toctou-race-condition)
- [Samsung Exynos camera driver out-of-bounds array access](https://junglewise.ai/threats/cve-2026-33967-samsung-exynos-camera-driver-out-of-bounds-array-access)
- [Samsung Exynos camera driver information leak via debug code](https://junglewise.ai/threats/cve-2026-33966-samsung-exynos-camera-driver-information-leak-via-debug-code)