TP-Link Omada Controller up to 5.x authorization

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 (≈)
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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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in TP-Link Omada Controller up to 5.x. This issue affects some unknown processing. The manipulation leads to authorization. This vulnerability is traded as CVE-2025-9520. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TP-Link Omada Controller up to 5.x. This issue affects some unknown processing. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An IDOR vulnerability exists in Omada Controllers that allows an attacker with Administrator permissions to manipulate requests and potentially hijack the Owner account.

The weakness was shared by Eduardo Bido. The advisory is shared at support.omadanetworks.com. The identification of this vulnerability is CVE-2025-9520 since 08/27/2025. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206335). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Omada Controller 6.0

Timelineinfo

08/27/2025 CVE reserved
01/27/2026 +153 days Advisory disclosed
01/27/2026 +0 days VulDB entry created
03/12/2026 +44 days VulDB entry last update

Sourcesinfo

Vendor: tp-link.com

Advisory: support.omadanetworks.com
Researcher: Eduardo Bido
Status: Confirmed

CVE: CVE-2025-9520 (🔒)
GCVE (CVE): GCVE-0-2025-9520
GCVE (VulDB): GCVE-100-342929
EUVD: 🔒

Entryinfo

Created: 01/27/2026 02:17
Updated: 03/12/2026 01:26
Changes: 01/27/2026 02:17 (66), 01/27/2026 19:53 (1), 03/12/2026 01:26 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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