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ZdiCVE-2020-10927

HistoryJul 28, 2020 - 6:15 p.m.

CVE-2020-10927

2020-07-2818:15:13

CWE-327

zdi

web.nvd.nist.gov

cve-2020-10927

netgear r6700

arbitrary code execution

encryption vulnerability

zdi-can-9649

nvd

CVSS2

8.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

29.8%

JSON

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the encryption of firmware update images. The issue results from the use of an inappropriate encryption algorithm. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-9649.

Affected configurations

Nvd

Vulners

Node

netgearr6700_firmwareMatch1.0.4.84_10.0.58

AND

netgearr6700Match-

VendorProductVersionCPE
netgearr6700_firmware1.0.4.84_10.0.58cpe:2.3:o:netgear:r6700_firmware:1.0.4.84_10.0.58:*:*:*:*:*:*:*
netgearr6700-cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	r6700_firmware	1.0.4.84_10.0.58	cpe:2.3:o:netgear:r6700_firmware:1.0.4.84_10.0.58:::::::*
netgear	r6700	-	cpe:2.3:h:netgear:r6700:-:::::::*

CNA Affected

[
  {
    "product": "R6700",
    "vendor": "NETGEAR",
    "versions": [
      {
        "status": "affected",
        "version": "V1.0.4.84_10.0.58"
      }
    ]
  }
]

References

www.zerodayinitiative.com/advisories/ZDI-20-707/

CVSS2

8.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

29.8%

JSON

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