Netgear R7800 1.0.2.76 apply_save.cgi rc_service improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in Netgear R7800 1.0.2.76. It has been rated as critical. Affected is an unknown function of the file apply_save.cgi. The manipulation of the argument rc_service leads to improper authentication. This vulnerability is uniquely identified as CVE-2021-27256. The attack can only be initiated within the local network. No exploit exists.

Detailsinfo

A vulnerability was found in Netgear R7800 1.0.2.76 (Wireless LAN Software) and classified as critical. This issue affects an unknown function of the file apply_save.cgi. The manipulation of the argument rc_service with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 03/06/2021. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2021-27256. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/28/2021).

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/16/2021 🔍
03/06/2021 +18 days 🔍
03/06/2021 +0 days 🔍
03/28/2021 +22 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-27256 (🔍)
GCVE (CVE): GCVE-0-2021-27256
GCVE (VulDB): GCVE-100-170807

Entryinfo

Created: 03/06/2021 11:26
Updated: 03/28/2021 20:01
Changes: 03/06/2021 11:26 (39), 03/28/2021 19:58 (2), 03/28/2021 20:01 (19)
Complete: 🔍
Cache ID: 216::103

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