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cve[email protected]CVE-2021-20149
HistoryDec 30, 2021 - 10:15 p.m.

CVE-2021-20149

2021-12-3022:15:08
CWE-863
web.nvd.nist.gov
22
cve-2021-20149
trendnet
tew-827dru
access controls
iptables
ipv6
nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

62.1%

Trendnet AC2600 TEW-827DRU version 2.08B01 does not have sufficient access controls for the WAN interface. The default iptables ruleset for governing access to services on the device only apply to IPv4. All services running on the devices are accessible via the WAN interface via IPv6 by default.

Affected configurations

NVD
Node
trendnettew-827druMatch2.0
AND
trendnettew-827dru_firmwareMatch2.08b01

CNA Affected

[
  {
    "product": "Trendnet AC2600 TEW-827DRU",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "2.08B01"
      }
    ]
  }
]

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

62.1%

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