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 LSA Update packet.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0665-1 advisory.

    - CVE-2025-61099: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252838)
    - CVE-2025-61100: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252829)
    - CVE-2025-61101: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252833)
    - CVE-2025-61102: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252835)
    - CVE-2025-61103: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252810)
    - CVE-2025-61104: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252811)
    - CVE-2025-61105: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252761)
    - CVE-2025-61106: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252812)
    - CVE-2025-61107: Fixed a NULL pointer dereference, which may lead to a DoS vulnerability. (bsc#1252813)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8046-1 advisory.

    It was discovered that FRR incorrectly handled certain malformed OSPF and update packets. A remote     attacker could possibly use these issues to cause FRR to crash, resulting in a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the frr package has been released.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0853 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2025-61107:
    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 LSA Update packet.

    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.

    CVE-2025-61105:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_link_info function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) via a crafted OSPF packet.

    CVE-2025-61104:
    FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     show_vty_unknown_tlv function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) via a crafted OSPF packet.

    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.

    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.

    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.

    CVE-2025-61100:
    FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     ospf_opaque_lsa_dump function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) under specific malformed LSA conditions.

    CVE-2025-61099:
    FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the     opaque_info_detail function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of     Service (DoS) via a crafted LS Update packet.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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 LSA Update packet. (CVE-2025-61107)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
300531	SUSE SLES15 Security Update : frr (SUSE-SU-2026:0665-1)	Nessus	SuSE Local Security Checks	high
299494	Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : FRR vulnerabilities (USN-8046-1)	Nessus	Ubuntu Local Security Checks	high
276940	Photon OS 5.0: Frr PHSA-2025-5.0-0687	Nessus	PhotonOS Local Security Checks	high
276939	Photon OS 4.0: Frr PHSA-2025-4.0-0915	Nessus	PhotonOS Local Security Checks	high
275892	TencentOS Server 4: frr (TSSA-2025:0853)	Nessus	Tencent Local Security Checks	high
271926	Linux Distros Unpatched Vulnerability : CVE-2025-61107	Nessus	Misc.	high

Detections

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CVE-2025-61107

high

Tenable Plugins

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high