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JpcertCVE-2021-4144

HistoryDec 23, 2021 - 7:15 a.m.

CVE-2021-4144

2021-12-2307:15:06

CWE-78

jpcert

web.nvd.nist.gov

cve-2021-4144

tp-link

wifi router

tl-wr802n

os command injection

nvd

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.9

Confidence

High

EPSS

0.001

Percentile

44.5%

JSON

TP-Link wifi router TL-WR802N V4(JP), with firmware version prior to 211202, is vulnerable to OS command injection.

Affected configurations

Nvd

Vulners

Node

tp-linktl-wr802n_firmwareRange<211202

AND

tp-linktl-wr802nMatchv4

VendorProductVersionCPE
tp-linktl-wr802n_firmware*cpe:2.3:o:tp-link:tl-wr802n_firmware:*:*:*:*:*:*:*:*
tp-linktl-wr802nv4cpe:2.3:h:tp-link:tl-wr802n:v4:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
tp-link	tl-wr802n_firmware	*	cpe:2.3:o:tp-link:tl-wr802n_firmware::::::::
tp-link	tl-wr802n	v4	cpe:2.3:h:tp-link:tl-wr802n:v4:::::::*

CNA Affected

[
  {
    "product": "TL-WR802N V4(JP)",
    "vendor": "TP-LINK",
    "versions": [
      {
        "status": "affected",
        "version": "firmware versions prior to 211202"
      }
    ]
  }
]

References

jvn.jp/en/vu/JVNVU94883311/

www.tp-link.com/jp/support/download/tl-wr802n/#Firmware

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.9

Confidence

High

EPSS

0.001

Percentile

44.5%

JSON

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