How severe is CVE-2025-29311?

CVE-2025-29311 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-29311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29311?

CVE-2025-29311 affects Opennetworking Onos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-29311?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-29311 have an EU (EUVD) identifier?

Yes. CVE-2025-29311 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8020.

When was CVE-2025-29311 published?

CVE-2025-29311 was published on 2025-03-24 and last updated on 2026-06-17.

CVE-2025-29311

CVE-2025-29311 is a high-severity vulnerability in Opennetworking Onos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-331.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8020
Weakness: CWE-331
Affected product: Opennetworking Onos
Published: 2025-03-24
Last modified: 2026-06-17

Description

Limited secret space in LLDP packets used in onos v2.7.0 allows attackers to obtain the private key via a bruteforce attack. Attackers are able to leverage this vulnerability into creating crafted LLDP packets.

Frequently asked questions

What is CVE-2025-29311?: Limited secret space in LLDP packets used in onos v2.7.0 allows attackers to obtain the private key via a bruteforce attack. Attackers are able to leverage this vulnerability into creating crafted LLDP packets.
How severe is CVE-2025-29311?: CVE-2025-29311 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-29311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29311?: CVE-2025-29311 affects Opennetworking Onos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-29311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-29311 have an EU (EUVD) identifier?: Yes. CVE-2025-29311 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8020.
When was CVE-2025-29311 published?: CVE-2025-29311 was published on 2025-03-24 and last updated on 2026-06-17.

References

https://gist.github.com/Saber-Berserker/790f2a75ae482df3fd0fce569f30504a;

Affected products (1)

cpe:2.3:a:opennetworking:onos:2.7.0:-:*:*:*:*:*:*

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