What is CVE-2020-26145?

CVE-2020-26145 is a medium-severity vulnerability in Samsung Galaxy I9305, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-05-11.

How severe is CVE-2020-26145?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-26145 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Samsung Galaxy I9305

CVE-2020-26145

An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WEP, WPA, WPA2, and WPA3 implementations accept second (or subsequent) broadcast fragments even when sent in plaintext and process them as full unfragmented frames. An adversary can abuse this to inject arbitrary network packets independent of the network configuration.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2021-05-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.035 (88.8th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

www.fragattacks.com (Third Party Advisory)
github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md (Third Party Advisory)
www.openwall.com/lists/oss-security/2021/05/11/12 (mailing-list, Mailing List, Third Party Advisory)
cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf (Patch, Third Party Advisory)
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

Frequently asked questions

What is CVE-2020-26145?: CVE-2020-26145 is a medium-severity vulnerability in Samsung Galaxy I9305, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-05-11.
How severe is CVE-2020-26145?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-26145 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.