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nvd[email protected]NVD:CVE-2022-38956
HistorySep 20, 2022 - 6:15 p.m.

CVE-2022-38956

2022-09-2018:15:10
CWE-354
web.nvd.nist.gov
2
exploitable
firmware downgrade
netgear
wpn824ext
wifi range extender
mitm attack
user-uploaded firmware
original old firmware
firmware 1.1.1_1.1.9

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

29.3%

An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier.

Affected configurations

Nvd
Node
netgearwpn824ext_firmwareRange1.1.1_1.1.9
AND
netgearwpn824extMatch-
VendorProductVersionCPE
netgearwpn824ext_firmware*cpe:2.3:o:netgear:wpn824ext_firmware:*:*:*:*:*:*:*:*
netgearwpn824ext-cpe:2.3:h:netgear:wpn824ext:-:*:*:*:*:*:*:*

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

29.3%

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