Router/Firewall Authentication improper authentication

CVSS Meta Temp Score
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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.
5.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Router and Firewall and classified as critical. This affects an unknown function of the component Authentication Handler. This manipulation causes improper authentication. This vulnerability appears as CVE-1999-0508. There is no available exploit. Due to its background and reception, this vulnerability has an historic impact. It is recommended to change the configuration settings.

Detailsinfo

A vulnerability has been found in Router and Firewall (Router Operating System) (the affected version unknown) and classified as critical. Affected by this vulnerability is an unknown part of the component Authentication Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An account on a router, firewall, or other network device has a default, null, blank, or missing password.

The weakness was presented 06/01/1998. This vulnerability is known as CVE-1999-0508. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/17/2026). Due to its background and reception, this vulnerability has a historic impact.

It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 17638 (Avaya P330 Stackable Switch Default Password), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc., running in the context r and relying on port 23. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43021 (Cisco Router/Switch Default Password Vulnerability).

It is possible to mitigate the problem by applying the configuration setting .

The vulnerability is also documented in the databases at X-Force (2091), Tenable (17638), SecurityFocus (BID 593†) and Vulnerability Center (SBV-4574†). See VDB-14787, VDB-81682, VDB-88335 and VDB-88336 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 17638
Nessus Name: Avaya P330 Stackable Switch Default Password
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 10747
OpenVAS Name: 3Com Superstack 3 switch with default password
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: snmp_login.rb
MetaSploit Name: SNMP Community Scanner
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

0-Day Time: 🔍
Suricata ID: 2101859
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

06/01/1998 🔍
06/01/1998 +0 days 🔍
08/19/1999 +444 days 🔍
08/19/1999 +0 days 🔍
06/20/2004 +1767 days 🔍
03/28/2005 +281 days 🔍
06/19/2014 +3370 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-1999-0508 (🔍)
GCVE (CVE): GCVE-0-1999-0508
GCVE (VulDB): GCVE-100-14143
X-Force: 2091
SecurityFocus: 593 - QMS 2060 Printer Passwordless Root Vulnerability
Vulnerability Center: 4574 - Default, Null, Blank or Missing Password on Network Device, Medium

See also: 🔍

Entryinfo

Created: 06/19/2014 15:43
Updated: 04/17/2026 11:58
Changes: 06/19/2014 15:43 (74), 05/22/2019 12:01 (2), 04/17/2026 11:58 (16)
Complete: 🔍
Cache ID: 216::103

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