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.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00009.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
TP-Link Systems Inc. TL-WR820N v2.8 unaffected
Version Status Constraints
0 affected < 1.15.0 Build 250813

Configuration 1 [-]

AND
cpe:2.3:o:tp-link:tl-wr820n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr820n:2.80:*:*:*:*:*:*:*

No data.

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Vendors Products
Tp-link Subscribe
Tl-wr802n Subscribe

Project Subscriptions

Vendors Products
Tp-link Subscribe
Tl-wr802n Subscribe
Tl-wr820n Subscribe
Tl-wr820n Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.tp-link.com/en/support/download/tl-wr820n/#Firmware cve-icon cve-icon
https://www.tp-link.com/in/support/download/tl-wr820n/#Firmware cve-icon cve-icon
https://www.tp-link.com/us/support/faq/4861/ cve-icon cve-icon
History

Sun, 08 Mar 2026 02:00:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link tl-wr820n
Tp-link tl-wr820n Firmware
CPEs cpe:2.3:h:tp-link:tl-wr820n:2.80:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wr820n_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tp-link tl-wr820n
Tp-link tl-wr820n Firmware
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Mon, 05 Jan 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link tl-wr802n
Vendors & Products Tp-link
Tp-link tl-wr802n

Fri, 02 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 29 Dec 2025 19:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Weak Algorithm Support in SSH Server on TL-WR820N
Weaknesses CWE-327
References
Metrics cvssV4_0

{'score': 6, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TPLink

Published:

Updated: 2026-01-02T14:18:11.376Z

Reserved: 2025-12-06T00:22:01.470Z

Link: CVE-2025-14175

cve-icon Vulnrichment

Updated: 2026-01-02T14:18:07.570Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-29T20:15:41.400

Modified: 2026-03-08T01:49:47.477

Link: CVE-2025-14175

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-05T10:23:17Z

Weaknesses