VDB-300916 · CVE-2025-29311 · GCVE-0-2025-29311

onos 2.7.0 LLDP Packet excessive authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in onos 2.7.0. Affected by this vulnerability is an unknown functionality of the component LLDP Packet Handler. Executing a manipulation can lead to excessive authentication. This vulnerability is handled as CVE-2025-29311. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in onos 2.7.0. This vulnerability affects an unknown function of the component LLDP Packet Handler. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2025-29311 since 03/11/2025. The exploitation appears to be difficult. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1110.001.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

onos

Version

2.7.0

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/11/2025 🔍
03/25/2025 +14 days 🔍
03/25/2025 +0 days 🔍
03/27/2025 +2 days 🔍

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2025-29311 (🔍)
GCVE (CVE): GCVE-0-2025-29311
GCVE (VulDB): GCVE-100-300916

Entryinfo

Created: 03/25/2025 01:51
Updated: 03/27/2025 02:01
Changes: 03/25/2025 01:51 (52), 03/27/2025 02:01 (1)
Complete: 🔍
Cache ID: 216::103