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Vulnerability Details :

CVE-2025-14175

Summary
Assigner-TPLink
Assigner Org ID-f23511db-6c3e-4e32-a477-6aa17d310630
Published At-29 Dec, 2025 | 19:31
Updated At-02 Jan, 2026 | 14:18
Rejected At-
Credits

Weak Algorithm Support in SSH Server on TL-WR820N

A vulnerability in the SSH server of TP-Link TL-WR820N v2.80 allows the use of a weak cryptographic algorithm, enabling an adjacent attacker to intercept and decrypt SSH traffic. Exploitation may expose sensitive information and compromise confidentiality.

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:TPLink
Assigner Org ID:f23511db-6c3e-4e32-a477-6aa17d310630
Published At:29 Dec, 2025 | 19:31
Updated At:02 Jan, 2026 | 14:18
Rejected At:
▼CVE Numbering Authority (CNA)
Weak Algorithm Support in SSH Server on TL-WR820N

A vulnerability in the SSH server of TP-Link TL-WR820N v2.80 allows the use of a weak cryptographic algorithm, enabling an adjacent attacker to intercept and decrypt SSH traffic. Exploitation may expose sensitive information and compromise confidentiality.

Affected Products
Vendor
TP-Link Systems Inc.
Product
TL-WR820N v2.8
Default Status
unaffected
Versions
Affected
  • From 0 before 1.15.0 Build 250813 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-327CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Type: CWE
CWE ID: CWE-327
Description: CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Metrics
VersionBase scoreBase severityVector
4.06.0MEDIUM
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 6.0
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-94CAPEC-94 Adversary in the Middle (AiTM)
CAPEC ID: CAPEC-94
Description: CAPEC-94 Adversary in the Middle (AiTM)
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Vishwa V; Sathya Priya. S; Cybersecurity Lab, SRM Institute of Science and Technology, Ramapuram, Chennai, Tamil Nadu, India. vishwaofficials@gmail.com; sathyapriya80@gmail.com
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.tp-link.com/en/support/download/tl-wr820n/#Firmware
patch
https://www.tp-link.com/in/support/download/tl-wr820n/#Firmware
patch
https://www.tp-link.com/us/support/faq/4861/
vendor-advisory
Hyperlink: https://www.tp-link.com/en/support/download/tl-wr820n/#Firmware
Resource:
patch
Hyperlink: https://www.tp-link.com/in/support/download/tl-wr820n/#Firmware
Resource:
patch
Hyperlink: https://www.tp-link.com/us/support/faq/4861/
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:f23511db-6c3e-4e32-a477-6aa17d310630
Published At:29 Dec, 2025 | 20:15
Updated At:31 Dec, 2025 | 20:43

A vulnerability in the SSH server of TP-Link TL-WR820N v2.80 allows the use of a weak cryptographic algorithm, enabling an adjacent attacker to intercept and decrypt SSH traffic. Exploitation may expose sensitive information and compromise confidentiality.

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
Secondary4.06.0MEDIUM
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 6.0
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-327Secondaryf23511db-6c3e-4e32-a477-6aa17d310630
CWE ID: CWE-327
Type: Secondary
Source: f23511db-6c3e-4e32-a477-6aa17d310630
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://www.tp-link.com/en/support/download/tl-wr820n/#Firmwaref23511db-6c3e-4e32-a477-6aa17d310630
N/A
https://www.tp-link.com/in/support/download/tl-wr820n/#Firmwaref23511db-6c3e-4e32-a477-6aa17d310630
N/A
https://www.tp-link.com/us/support/faq/4861/f23511db-6c3e-4e32-a477-6aa17d310630
N/A
Hyperlink: https://www.tp-link.com/en/support/download/tl-wr820n/#Firmware
Source: f23511db-6c3e-4e32-a477-6aa17d310630
Resource: N/A
Hyperlink: https://www.tp-link.com/in/support/download/tl-wr820n/#Firmware
Source: f23511db-6c3e-4e32-a477-6aa17d310630
Resource: N/A
Hyperlink: https://www.tp-link.com/us/support/faq/4861/
Source: f23511db-6c3e-4e32-a477-6aa17d310630
Resource: N/A

Change History

0
Information is not available yet

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