DASAN GPON ONU H660WM H660WMR210825 system_diagnostic_main.asp access control

CVSS Meta Temp Score
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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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in DASAN GPON ONU H660WM H660WMR210825 and classified as critical. Affected is an unknown function of the file /cgi-bin/system_diagnostic_main.asp. This manipulation causes access control. This vulnerability is handled as CVE-2025-29524. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in DASAN GPON ONU H660WM H660WMR210825 and classified as critical. Affected by this vulnerability is an unknown part of the file /cgi-bin/system_diagnostic_main.asp. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality. The summary by CVE is:

Incorrect access control in the component /cgi-bin/system_diagnostic_main.asp of DASAN GPON ONU H660WM H660WMR210825 allows attackers to access sensitive information.

It is possible to read the advisory at gist.github.com. This vulnerability is known as CVE-2025-29524 since 03/11/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/25/2025). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

By approaching the search of inurl:cgi-bin/system_diagnostic_main.asp it is possible to find vulnerable targets with Google Hacking.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/11/2025 CVE reserved
08/25/2025 +166 days Advisory disclosed
08/25/2025 +0 days VulDB entry created
08/25/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2025-29524 (🔒)
GCVE (CVE): GCVE-0-2025-29524
GCVE (VulDB): GCVE-100-321331

Entryinfo

Created: 08/25/2025 16:47
Changes: 08/25/2025 16:47 (53)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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