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In the LTE RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service…

Exploited
No known exploitation
Fix
Fixed in October 2026
Who is exposed
Not reported

Do first: Upgrade to a fixed version: October 2026.

Published
Last modified
0.18% · 7th percentile
0/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

The LTE RRC component mishandles certain messages received before authentication, which triggers a data abort that leads to a denial-of-service condition.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

In the LTE RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.

cve.now Index

0Pcve.now Index 0 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure?/25Unknown. No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity?/10Unknown. No CVSS score or vendor rating
  • No patch0/5No signal

What would change the score

  • Would score about 55 if added to CISA KEV
  • Would score about 50 if CISA's SSVC rates exploitation active
  • Would score about 22 if advisories confirm default setups are exposed

What to do

  • Upgrade to a fixed version: October 2026.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Samsung Semiconductor Exynos 850

    fixed in October 2026

  • Samsung Semiconductor Exynos 2100

    fixed in October 2026

  • Samsung Semiconductor Exynos 1280

    fixed in October 2026

  • Samsung Semiconductor Exynos 2200

    fixed in October 2026

  • Samsung Semiconductor Exynos 1330

    fixed in October 2026

  • Samsung Semiconductor Exynos 1380

    fixed in October 2026

  • Samsung Semiconductor Exynos 1480

    fixed in October 2026

  • Samsung Semiconductor Exynos 2400

    fixed in October 2026

Show all 15 packagesShow fewer packages
  • Samsung Semiconductor Exynos 1580

    fixed in October 2026

  • Samsung Semiconductor Exynos 2500

    fixed in October 2026

  • Samsung Semiconductor Exynos 1680

    fixed in October 2026

  • Samsung Semiconductor Exynos W920

    fixed in October 2026

  • Samsung Semiconductor Exynos W930

    fixed in October 2026

  • Samsung Semiconductor Exynos W1000

    fixed in October 2026

  • Samsung Semiconductor Exynos Modem 5410

    fixed in October 2026

Evidence 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-33971

Is CVE-2026-33971 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-33971?

Exynos 850: before October 2026. Exynos 2100: before October 2026. Exynos 1280: before October 2026. Exynos 2200: before October 2026. Exynos 1330: before October 2026. 10 more packages are listed on the page.Source: cve.now feed data

How do I fix CVE-2026-33971?

Upgrade to a fixed version: October 2026.Source: cve.now feed data