ASUS RT-AC88U Download Master up to Title productname injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in ASUS RT-AC88U Download Master up to It has been classified as problematic. Affected is some unknown functionality of the file /Main_Login.asp?flag=1&productname=RT-AC88U&url=/downloadmaster/task.asp of the component Title Handler. The manipulation of the argument productname with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The software constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on integrity.

The weakness was presented 12/08/2020 by Marc Ruef with scip AG as VDB-165678 as confirmed entry (VulDB). The advisory is available at The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2020-29655. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

A public exploit has been developed by Marc Ruef and been published immediately after the advisory. It is declared as proof-of-concept. The exploit is shared for download at The vulnerability was handled as a non-public zero-day exploit for at least 91 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:Main_Login.asp?flag=1&productname=RT-AC88U&url=/downloadmaster/task.asp it is possible to find vulnerable targets with Google Hacking.

Upgrading to version eliminates this vulnerability.





  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Injection
CWE: CWE-74 / CWE-707
ATT&CK: T1055

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Marc Ruef
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: RT-AC88U Download Master


09/08/2020 🔍
09/08/2020 +0 days 🔍
12/08/2020 +91 days 🔍
12/08/2020 +0 days 🔍
12/08/2020 +0 days 🔍
12/09/2020 +0 days 🔍
12/13/2020 +4 days 🔍



Advisory: VDB-165678
Researcher: Marc Ruef
Organization: scip AG
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2020-29655 (🔍)
scip Labs:


Created: 12/08/2020 08:03 AM
Updated: 12/13/2020 09:21 AM
Changes: 12/08/2020 08:03 AM (40), 12/08/2020 08:04 AM (17), 12/08/2020 08:05 AM (2), 12/08/2020 08:38 AM (7), 12/09/2020 09:20 AM (1), 12/13/2020 09:16 AM (2), 12/13/2020 09:21 AM (18)
Complete: 🔍


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