FRRouting is a technology platform tracked by ThreatCluster, appearing in 3 threat clusters built from 7 intelligence report mentions.
FRRouting is a technology platform tracked across 3 threat clusters and 7 intelligence report mentions on ThreatCluster. First observed January 3, 2026; most recent activity April 16, 2026.
Two vulnerabilities have been identified in FRRouting (FRR) affecting versions up to 9.0. CVE-2023-41361, published on August 29, 2023, involves a lack of checks for overly large software version lengths in…
On April 16, 2026, multiple updates to the FRRouting (FRR) suite were released, enhancing its capabilities in routing protocol implementations such as BGP, OSPF, and more. The updates include RPKI support for BGP route…
3 articles · Updated April 16, 2026
Recent Intelligence Reports
8.4.4-1.1ubuntu6.6— launchpad.net · April 16, 2026
CVE-2023-46752 An issue was discovered in FRRouting FRR through 9.0.1. It mishandles malformed MP_REACH_NLRI data leading to a crash.— Api.Msrc.Microsoft · February 18, 2026
CVE-2023-47234 An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when processing a crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute and additional NLRI data (that lacks mandatory path attributes).— Api.Msrc.Microsoft · February 18, 2026
CVE-2025-61101 FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_rmt_itf_addr function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.— Api.Msrc.Microsoft · January 3, 2026
CVE-2025-61102 FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.— Api.Msrc.Microsoft · January 3, 2026
CVE-2025-61106 FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.— Api.Msrc.Microsoft · January 3, 2026
CVE-2025-61103 FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.— Api.Msrc.Microsoft · January 3, 2026
FRRouting is a technology platform tracked by ThreatCluster, appearing in 3 threat clusters built from 7 intelligence report mentions.
Is FRRouting still active?
The most recent intelligence report mentioning FRRouting on ThreatCluster is dated April 16, 2026. Activity was first observed January 3, 2026, giving a tracked span from then to April 16, 2026.
What is FRRouting associated with?
Across ThreatCluster reporting, FRRouting most frequently co-occurs with Denial of Service, CVE-2023-46752, CVE-2023-47234, CVE-2025-61101, CVE-2025-61102, among 11 tracked related entities.
What are the latest developments involving FRRouting?
The most significant recent cluster is “Multiple Vulnerabilities Discovered in FRRouting FRR Software” (4 articles · Updated February 18, 2026). FRRouting appears across 3 threat clusters in total, listed above with sources.
How much reporting does ThreatCluster have on FRRouting?
FRRouting appears in 7 intelligence report mentions across 3 deduplicated threat clusters, aggregated from 17,000+ monitored sources.