Netgear Nighthawk R7800 apply_bind.cgi rc_service heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
8.8$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Netgear Nighthawk R7800. This vulnerability affects unknown code of the file apply_bind.cgi. This manipulation of the argument rc_service causes heap-based overflow. This vulnerability is tracked as CVE-2021-27253. The attack is only possible within the local network. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear Nighthawk R7800 (affected version not known). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file apply_bind.cgi. The manipulation of the argument rc_service with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/15/2021. The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2021-27253. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/15/2021).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
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: Heap-based overflow
CWE: CWE-122 / CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/16/2021 🔍
04/15/2021 +57 days 🔍
04/15/2021 +0 days 🔍
04/21/2021 +6 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-27253 (🔍)
GCVE (CVE): GCVE-0-2021-27253
GCVE (VulDB): GCVE-100-173077

Entryinfo

Created: 04/15/2021 11:49
Updated: 04/21/2021 09:37
Changes: 04/15/2021 11:49 (38), 04/21/2021 09:33 (2), 04/21/2021 09:37 (1)
Complete: 🔍
Cache ID: 216::103

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