Medium severity5.3NVD Advisory· Published May 11, 2021· Updated Jun 2, 2026
CVE-2020-26146
CVE-2020-26146
Description
An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WPA, WPA2, and WPA3 implementations reassemble fragments with non-consecutive packet numbers. An adversary can abuse this to exfiltrate selected fragments. This vulnerability is exploitable when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used. Note that WEP is vulnerable to this attack by design.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22- cpe:2.3:o:arista:c-65_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arista:c-75_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arista:o-90_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:arista:w-68_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:samsung:galaxy_i9305_firmware:4.4.4:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_w1700_ieee_802.11ac_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*Range: <8.7.1.3
- cpe:2.3:o:siemens:scalance_w700_ieee_802.11n_firmware:*:*:*:*:*:*:*:*
- Range: 4.4.4
Patches
Vulnerability mechanics
References
8- www.openwall.com/lists/oss-security/2021/05/11/12nvdMailing ListThird Party Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-913875.pdfnvdThird Party Advisory
- github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdnvdThird Party Advisory
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWunvdThird Party Advisory
- www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63nvdThird Party Advisory
- www.fragattacks.comnvdThird Party Advisory
- cert-portal.siemens.com/productcert/html/ssa-019200.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-913875.htmlnvd
News mentions
1- Siemens SCALANCECISA Alerts