Netgear WNR612v2 up to 1.0.0.3 Firmware Image unrestricted upload

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 identified as critical has been detected in Netgear WNR612v2 up to 1.0.0.3. This vulnerability affects unknown code of the component Firmware Image Handler. Performing a manipulation results in unrestricted upload. This vulnerability is reported as CVE-2023-23110. The attacker must have access to the local network to execute the attack. No exploit exists.

Detailsinfo

A vulnerability was found in Netgear WNR612v2 up to 1.0.0.3 (Wireless LAN Software). It has been classified as critical. This affects some unknown functionality of the component Firmware Image Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An exploitable firmware modification vulnerability was discovered in WNR612v2 Wireless Routers firmware version 1.0.0.3 and earlier. The data integrity of the uploaded firmware image is ensured with a fixed checksum number. Therefore, an attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the checksum verification.

The weakness was disclosed 02/02/2023. It is possible to read the advisory at hackmd.io. This vulnerability is uniquely identified as CVE-2023-23110 since 01/11/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/04/2023). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

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

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/11/2023 🔍
02/02/2023 +22 days 🔍
02/02/2023 +0 days 🔍
03/04/2023 +30 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: hackmd.io
Status: Not defined

CVE: CVE-2023-23110 (🔍)
GCVE (CVE): GCVE-0-2023-23110
GCVE (VulDB): GCVE-100-220047

Entryinfo

Created: 02/02/2023 18:05
Updated: 03/04/2023 08:13
Changes: 02/02/2023 18:05 (38), 03/04/2023 08:13 (9)
Complete: 🔍
Cache ID: 216::103

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