Cisco RV110W/RV130/RV130W/RV215W UPnP Request stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Cisco RV110W, RV130, RV130W and RV215W. This affects an unknown part of the component UPnP Request Handler. This manipulation causes stack-based overflow. This vulnerability is tracked as CVE-2021-34730. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in Cisco RV110W, RV130, RV130W and RV215W (Router Operating System) (version now known). Affected by this vulnerability is some unknown processing of the component UPnP Request Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 08/19/2021 as cisco-sa-cisco-sb-rv-overflow-htpymMB5. The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2021-34730. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/19/2021).

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

06/15/2021 🔍
08/19/2021 +65 days 🔍
08/19/2021 +0 days 🔍
08/21/2021 +2 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-cisco-sb-rv-overflow-htpymMB5
Status: Confirmed

CVE: CVE-2021-34730 (🔍)
GCVE (CVE): GCVE-0-2021-34730
GCVE (VulDB): GCVE-100-181117

Entryinfo

Created: 08/19/2021 06:49
Updated: 08/21/2021 10:29
Changes: 08/19/2021 06:49 (38), 08/21/2021 10:24 (2), 08/21/2021 10:29 (1)
Complete: 🔍
Cache ID: 216::103

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