Asus RT-AX92U lighttpd mod_webdav.so information disclosure

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
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Asus RT-AX92U. Affected by this vulnerability is an unknown functionality of the file mod_webdav.so of the component lighttpd. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2023-35720. The attacker must have access to the local network to execute the attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Asus RT-AX92U (affected version not known). This affects some unknown functionality of the file mod_webdav.so of the component lighttpd. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

ASUS RT-AX92U lighttpd mod_webdav.so SQL Injection Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected ASUS RT-AX92U routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mod_webdav.so module. When parsing a request, the process does not properly validate a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-16078.

The weakness was disclosed 08/24/2023 as ZDI-23-1166. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-35720 since 06/15/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at asus.com.

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

Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: asus.com

Timelineinfo

06/15/2023 🔍
08/24/2023 +70 days 🔍
08/24/2023 +0 days 🔍
08/13/2025 +719 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: ZDI-23-1166
Status: Confirmed

CVE: CVE-2023-35720 (🔍)
GCVE (CVE): GCVE-0-2023-35720
GCVE (VulDB): GCVE-100-237897

Entryinfo

Created: 08/24/2023 06:30
Updated: 08/13/2025 01:53
Changes: 08/24/2023 06:30 (40), 08/13/2025 01:53 (28)
Complete: 🔍
Cache ID: 216::103

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

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