CVE-2026-33970: CWE-476 NULL Pointer Dereference in Samsung Exynos 850 firmware
CVE-2026-33970 is a low-severity vulnerability involving a NULL Pointer Dereference in the 5G baseband of Samsung Exynos processors, including the Exynos 850 firmware and several other models. The flaw occurs in the NR RRC and L2 components when processing a malformed RRC Reconfiguration message. This issue affects a range of Samsung mobile and wearable processors and modems. The vulnerability has a CVSS score of 3.5, indicating low impact primarily on availability. No known exploits are reported in the wild, and no official patch information is provided.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-33970) affects the NR RRC and L2 layers in Samsung Exynos 850 firmware and multiple other Exynos processors and modems. It is triggered by processing a malformed RRC Reconfiguration message in the 5G baseband, leading to a NULL Pointer Dereference. The issue can cause a denial of service condition due to the crash or malfunction of the affected component. The CVSS v3.1 score is 3.5, reflecting low severity with network attack vector, high attack complexity, low privileges required, no user interaction, and impact limited to availability. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability can cause a denial of service (availability impact) by triggering a NULL Pointer Dereference in the 5G baseband when processing malformed RRC Reconfiguration messages. There is no impact on confidentiality or integrity. No active exploitation is known.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation details are provided at this time.
CVE-2026-33970: CWE-476 NULL Pointer Dereference in Samsung Exynos 850 firmware
Description
CVE-2026-33970 is a low-severity vulnerability involving a NULL Pointer Dereference in the 5G baseband of Samsung Exynos processors, including the Exynos 850 firmware and several other models. The flaw occurs in the NR RRC and L2 components when processing a malformed RRC Reconfiguration message. This issue affects a range of Samsung mobile and wearable processors and modems. The vulnerability has a CVSS score of 3.5, indicating low impact primarily on availability. No known exploits are reported in the wild, and no official patch information is provided.
CVSS v3.1
Score 3.5low
Affected software
Samsung
Exynos 850 firmware
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-33970) affects the NR RRC and L2 layers in Samsung Exynos 850 firmware and multiple other Exynos processors and modems. It is triggered by processing a malformed RRC Reconfiguration message in the 5G baseband, leading to a NULL Pointer Dereference. The issue can cause a denial of service condition due to the crash or malfunction of the affected component. The CVSS v3.1 score is 3.5, reflecting low severity with network attack vector, high attack complexity, low privileges required, no user interaction, and impact limited to availability. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability can cause a denial of service (availability impact) by triggering a NULL Pointer Dereference in the 5G baseband when processing malformed RRC Reconfiguration messages. There is no impact on confidentiality or integrity. No active exploitation is known.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation details are provided at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-03-24T00:00:00.000Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa7602755bf5e2cf56ce8b9
Added to database: 09/14/2026, 02:47:03 UTC
Last enriched: 09/14/2026, 03:01:38 UTC
Last updated: 09/14/2026, 03:01:44 UTC
Views: 5
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