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Vulnerability Details :

CVE-2020-10916

Summary
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
Published At-07 May, 2020 | 22:20
Updated At-04 Aug, 2024 | 11:14
Rejected At-
Credits

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361] Wi-Fi extenders. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the first-time setup process. The issue results from the lack of proper validation on first-time setup requests. An attacker can leverage this vulnerability to reset the password for the Admin account and execute code in the context of the device. Was ZDI-CAN-10003.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:zdi
Assigner Org ID:99f1926a-a320-47d8-bbb5-42feb611262e
Published At:07 May, 2020 | 22:20
Updated At:04 Aug, 2024 | 11:14
Rejected At:
▼CVE Numbering Authority (CNA)

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361] Wi-Fi extenders. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the first-time setup process. The issue results from the lack of proper validation on first-time setup requests. An attacker can leverage this vulnerability to reset the password for the Admin account and execute code in the context of the device. Was ZDI-CAN-10003.

Affected Products
Vendor
TP-Link Systems Inc.TP-Link
Product
TL-WA855RE
Versions
Affected
  • Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361]
Problem Types
TypeCWE IDDescription
CWECWE-287CWE-287: Improper Authentication
Type: CWE
CWE ID: CWE-287
Description: CWE-287: Improper Authentication
Metrics
VersionBase scoreBase severityVector
3.08.0HIGH
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Base score: 8.0
Base severity: HIGH
Vector:
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Anonymous
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.zerodayinitiative.com/advisories/ZDI-20-553/
x_refsource_MISC
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-20-553/
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.zerodayinitiative.com/advisories/ZDI-20-553/
x_refsource_MISC
x_transferred
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-20-553/
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:zdi-disclosures@trendmicro.com
Published At:07 May, 2020 | 23:15
Updated At:14 May, 2020 | 15:48

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361] Wi-Fi extenders. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the first-time setup process. The issue results from the lack of proper validation on first-time setup requests. An attacker can leverage this vulnerability to reset the password for the Admin account and execute code in the context of the device. Was ZDI-CAN-10003.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.18.0HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary3.08.0HIGH
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.05.2MEDIUM
AV:A/AC:L/Au:S/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 8.0
Base severity: HIGH
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 8.0
Base severity: HIGH
Vector:
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 5.2
Base severity: MEDIUM
Vector:
AV:A/AC:L/Au:S/C:P/I:P/A:P
CPE Matches

TP-Link Systems Inc.
tp-link
>>tl-wa855re>>v4
cpe:2.3:h:tp-link:tl-wa855re:v4:*:*:*:*:*:*:*
TP-Link Systems Inc.
tp-link
>>tl-wa855re_firmware>>190408
cpe:2.3:o:tp-link:tl-wa855re_firmware:190408:*:*:*:*:*:*:*
TP-Link Systems Inc.
tp-link
>>tl-wa855re_firmware>>191213
cpe:2.3:o:tp-link:tl-wa855re_firmware:191213:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-287Primarynvd@nist.gov
CWE-287Secondaryzdi-disclosures@trendmicro.com
CWE ID: CWE-287
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-287
Type: Secondary
Source: zdi-disclosures@trendmicro.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://www.zerodayinitiative.com/advisories/ZDI-20-553/zdi-disclosures@trendmicro.com
Third Party Advisory
VDB Entry
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-20-553/
Source: zdi-disclosures@trendmicro.com
Resource:
Third Party Advisory
VDB Entry

Change History

0
Information is not available yet

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