Motorola Wr850g 4.0.3 Firmware ver.asp 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
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.
7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Motorola Wr850g 4.0.3 Firmware. The affected element is an unknown function of the file ver.asp. This manipulation causes information disclosure. This vulnerability is handled as CVE-2004-1550. There is not any exploit available.

Detailsinfo

A vulnerability was found in Motorola Wr850g 4.0.3 Firmware. It has been declared as critical. Affected by this vulnerability is an unknown code of the file ver.asp. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Motorola Wireless Router WR850G running firmware 4.03 allows remote attackers to bypass authentication, log on as an administrator, and obtain sensitive information by repeatedly making an HTTP request for ver.asp until an administrator logs on.

The bug was discovered 09/23/2004. The weakness was released 12/31/2004 by Daniel Fabian (Website). It is possible to read the advisory at marc.info. This vulnerability is known as CVE-2004-1550 since 02/20/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 99 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:ver.asp it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12125 (Motorola WR850G Wireless Router Remote Authentication Bypass Vulnerability).

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

The vulnerability is also documented in the databases at X-Force (17474), SecurityFocus (BID 11241†), OSVDB (10232†) and Vulnerability Center (SBV-9861†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
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Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: wr850g_cred.rb
MetaSploit Name: Motorola WR850G v4.03 Credentials
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/23/2004 🔍
09/23/2004 +0 days 🔍
12/31/2004 +99 days 🔍
12/31/2004 +0 days 🔍
12/31/2004 +0 days 🔍
02/20/2005 +51 days 🔍
12/06/2005 +289 days 🔍
04/14/2015 +3416 days 🔍
07/06/2025 +3736 days 🔍

Sourcesinfo

Advisory: marc.info
Researcher: Daniel Fabian
Status: Not defined

CVE: CVE-2004-1550 (🔍)
GCVE (CVE): GCVE-0-2004-1550
GCVE (VulDB): GCVE-100-22831
X-Force: 17474
SecurityFocus: 11241 - Motorola WR850G Wireless Router Remote Authentication Bypass Vulnerability
OSVDB: 10232 - Motorola - WR850G Wireless Router - Remote Authentication Bypass Issue
Vulnerability Center: 9861 - Motorola Wireless Router WR850G Authentication Bypass via ver.asp, High

Entryinfo

Created: 04/14/2015 13:30
Updated: 07/06/2025 17:14
Changes: 04/14/2015 13:30 (62), 06/12/2019 10:09 (3), 07/06/2025 17:14 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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