Netgear R6250 upnpd buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Netgear R6400v2, R6400, R7000P, R300, R8000, R8300, R8500, R7300DST, R7850, R7900, RAX20, RAX80 and R6250. This issue affects some unknown processing of the component upnpd. Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2020-28373. The attack needs to be approached within the local network. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Netgear R6400v2, R6400, R7000P, R300, R8000, R8300, R8500, R7300DST, R7850, R7900, RAX20, RAX80 and R6250 (Wireless LAN Software). It has been classified as critical. This affects an unknown code of the component upnpd. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 11/10/2020. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-28373. The exploitability is told to be easy. The attack needs to be initiated within the local network. Technical details are unknown but a public exploit is available.

The exploit is shared for download at github.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2020 🔍
11/10/2020 +1 days 🔍
11/10/2020 +0 days 🔍
12/04/2020 +24 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: github.com
Status: Not defined

CVE: CVE-2020-28373 (🔍)
GCVE (CVE): GCVE-0-2020-28373
GCVE (VulDB): GCVE-100-164553
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/10/2020 08:25
Updated: 12/04/2020 11:14
Changes: 11/10/2020 08:25 (39), 12/04/2020 11:08 (2), 12/04/2020 11:14 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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