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Specification

3GPP TR 33.875: Study on enhanced security aspects of the 5G Service Based Architecture (SBA)

Published 2026-11-05Updated 2026-11-05

At a glance

Title
Study on enhanced security aspects of the 5G Service Based Architecture (SBA)
Newest version
V18.1.0 (Rel-18)
Versions indexed
2
Newest per release
Rel-17: V1.2.0 (2022-06-17); Rel-18: V18.1.0 (2023-09-20)

In plain words

TR 33.875 "The present document studies enhanced security aspects of the 5G Service Based Architecture." and will analyse potential threats and study necessary security enhancements. Its overview says NRF receives discovery requests from NF instances, maintains NF profiles, and acts as an OAuth 2.0 authorization server. It will document decisions on solutions to be adopted or not adopted after evaluating risks versus complexity.

Source: 3GPP TR 33.875 V18.1.0, clause 1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/33_series/33.875/33875-i10.zip

Newest version in each release

ReleaseNewest versionIn the archiveTSG meeting
Rel-18V18.1.02023-09-20TSG SA #101
Rel-17V1.2.02022-06-17not recorded

Source: 3GPP specification archive, versions indexed by 3GPP Scout. Each version links its official file.

Meetings behind the latest versions

Plenary meetings:

  • TSG SA #101 approved V18.1.0 (Rel-18)

Source: 3GPP CR database and specification archive, as indexed by 3GPP Scout.

Sources

  1. 3GPP TR 33.875 V18.1.0, clause 1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/33_series/33.875/33875-i10.zip
  2. 3GPP TR 33.875 V18.1.0, clause 4.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: https://www.3gpp.org/ftp/Specs/archive/33_series/33.875/33875-i10.zip

How this page was made

The facts box and the tables come straight from the 3GPP specification archive and CR database as indexed by 3GPP Scout. An AI model (GPT-6 Luna) wrote the paragraph and named the source of each sentence. Code checked every quote word for word against the stored source text and every number against the cited source. A second AI model from another company (Claude Opus 5.5) reviewed the paragraph against the same sources. The 3GPP documents themselves govern.