Cisco RV340/RV340W/RV345/RV345P Web-based Management Interface stack-based overflow

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
9.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Cisco RV340, RV340W, RV345 and RV345P. Affected is an unknown function of the component Web-based Management Interface. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2021-1609. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco RV340, RV340W, RV345 and RV345P (Router Operating System) (unknown version). It has been rated as very critical. Affected by this issue is an unknown code block of the component Web-based Management Interface. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was published 08/05/2021 as cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2021-1609. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/05/2021).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Timelineinfo

11/13/2020 🔍
08/05/2021 +264 days 🔍
08/05/2021 +0 days 🔍
08/08/2021 +3 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy
Status: Confirmed

CVE: CVE-2021-1609 (🔍)
GCVE (CVE): GCVE-0-2021-1609
GCVE (VulDB): GCVE-100-180080

Entryinfo

Created: 08/05/2021 07:02
Updated: 08/08/2021 08:40
Changes: 08/05/2021 07:02 (38), 08/08/2021 08:36 (2), 08/08/2021 08:40 (1)
Complete: 🔍
Cache ID: 216::103

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