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