Cisco Router 700 Telnet TCP Connection denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Router 700. It has been classified as problematic. Affected by this issue is some unknown functionality of the component Telnet. Performing a manipulation as part of TCP Connection results in denial of service. This vulnerability is known as CVE-1999-0416. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco Router 700 (Router Operating System). This affects an unknown code block of the component Telnet. The manipulation as part of a TCP Connection leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

Vulnerability in Cisco 7xx series routers allows a remote attacker to cause a system reload via a TCP connection to the router's TELNET port.

The weakness was published 03/11/1999 as not defined advisory (Website). The advisory is shared at cisco.com. This vulnerability is uniquely identified as CVE-1999-0416. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (1886), Exploit-DB (19919) and Vulnerability Center (SBV-32563†). Further details are available at ciac.llnl.gov. Similar entries are available at VDB-14533 and VDB-14564. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/11/1999 🔍
03/11/1999 +0 days 🔍
03/11/1999 +0 days 🔍
08/04/2011 +4529 days 🔍
06/20/2014 +1051 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed

CVE: CVE-1999-0416 (🔍)
GCVE (CVE): GCVE-0-1999-0416
GCVE (VulDB): GCVE-100-14565
X-Force: 1886
Vulnerability Center: 32563 - Cisco 7xx Series Routers Allows System Reload via a TCP Connection, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/20/2014 22:58
Updated: 04/19/2026 00:26
Changes: 06/20/2014 22:58 (52), 03/29/2017 11:00 (6), 08/10/2024 08:02 (25), 04/19/2026 00:26 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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