VDB-153979 · CVE-2019-20755 · GCVE-0-2019-20755

Netgear WN2500RPv2 stack-based overflow

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6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Netgear D6220, D6400, D7000v2, D8500, DGN2200v1, DGN2200B, JNDR3000, RBW30, R6250, R6300v2, R6400, R6400v2, R6700, R6900, R7000, R6900P, R7100LG, R7300DST, R7000P, R7900, R8000P, R7900P, R8300, R8500, R8000, WNDR3400v3, WNDR4500v2, WNR3500Lv2, WN3100RP and WN2500RPv2. It has been rated as critical. Affected by this issue is some unknown functionality. This manipulation causes stack-based overflow. The identification of this vulnerability is CVE-2019-20755. The attack needs to be done within the local network. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Netgear D6220, D6400, D7000v2, D8500, DGN2200v1, DGN2200B, JNDR3000, RBW30, R6250, R6300v2, R6400, R6400v2, R6700, R6900, R7000, R6900P, R7100LG, R7300DST, R7000P, R7900, R8000P, R7900P, R8300, R8500, R8000, WNDR3400v3, WNDR4500v2, WNR3500Lv2, WN3100RP and WN2500RPv2 (Wireless LAN Software). It has been declared as critical. Affected by this vulnerability is an unknown function. 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 summary by CVE is:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6220 before 1.0.0.46, D6400 before 1.0.0.80, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v1 before 1.0.0.58, DGN2200B before 1.0.0.58, JNDR3000 before 1.0.0.24, RBW30 before 2.1.4.16, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.42, R6400v2 before 1.0.2.56, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.32, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, R7000P before 1.3.1.44, R7900 before 1.0.2.16, R8000P before 1.4.0.10, R7900P before 1.4.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, R8000 before 1.0.4.18, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, WNR3500Lv2 before 1.2.0.54, WN3100RP before 1.0.0.20, and WN2500RPv2 before 1.0.1.54.

The weakness was shared 04/16/2020 (Website). It is possible to read the advisory at kb.netgear.com. This vulnerability is known as CVE-2019-20755 since 04/15/2020. The attack needs to approached within the local network. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Wireless LAN Software

Vendor

Netgear

Name

License

commercial

Website

Vendor: https://www.netgear.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2020 🔍
04/16/2020 +1 days 🔍
04/17/2020 +1 days 🔍
05/31/2024 +1505 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined

CVE: CVE-2019-20755 (🔍)
GCVE (CVE): GCVE-0-2019-20755
GCVE (VulDB): GCVE-100-153979

Entryinfo

Created: 04/17/2020 11:00
Updated: 05/31/2024 09:36
Changes: 04/17/2020 11:00 (36), 04/17/2020 11:05 (12), 05/31/2024 09:36 (34)
Complete: 🔍
Cache ID: 216::103