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CVE-2023-23110

Published: Feb 2, 2023Updated: Mar 26, 2025 Sources: CVE List NVDCWE-494
NVD MITRE
7.4CVSSHIGH
EPSS Score
0.6%
Top 57.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An exploitable firmware modification vulnerability was discovered in certain Netgear products. 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. This affects WNR612v2 Wireless Routers 1.0.0.3 and earlier, DGN1000v3 Modem Router 1.0.0.22 and earlier, D6100 WiFi DSL Modem Routers 1.0.0.63 and earlier, WNR1000v2 Wireless Routers 1.1.2.60 and earlier, XAVN2001v2 Wireless-N Extenders 0.4.0.7 and earlier, WNR2200 Wireless Routers 1.0.1.102 and earlier, WNR2500 Wireless Routers 1.0.0.34 and earlier, R8900 Smart WiFi Routers 1.0.3.6 and earlier, and R9000 Smart WiFi Routers 1.0.3.6 and earlier.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-494

Affected Products

n/an/a
wnr612v2 firmwarenetgearNetworking Infrastructure
dgn1000v3 firmwarenetgearNetworking Infrastructure
d6100 firmwarenetgearNetworking Infrastructure
wnr1000v2 firmwarenetgearNetworking Infrastructure
netgearcommercialUSNetworking Infrastructureaka net gear
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.netgear.com/about/security/
netgear.com
https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/SJCGkb-9o
hackmd.io
https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/r1Z4BX-5i
hackmd.io
and 7 more references View all →

Timeline

Published
Feb 2, 2023
Last Updated
Mar 26, 2025

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