---
id: CVE-2025-14175
title: "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 compromi…"
summary: "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 compromi…"
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-327
vendor: tp-link
product: tl-wr820n_firmware
affected:
  - tl-wr820n_firmware < 1.15.0
patched:
  - tl-wr820n_firmware 1.15.0
published: '2025-12-29'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14175'
references:
  - url: 'https://www.tp-link.com/en/support/download/tl-wr820n/#Firmware'
    label: f23511db-6c3e-4e32-a477-6aa17d310630
  - url: 'https://www.tp-link.com/in/support/download/tl-wr820n/#Firmware'
    label: f23511db-6c3e-4e32-a477-6aa17d310630
  - url: 'https://www.tp-link.com/us/support/faq/4861/'
    label: f23511db-6c3e-4e32-a477-6aa17d310630
tags:
  - nvd
  - exploit-available
epss: 0.00297
epssPercentile: 0.20166
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/CyberVinner/TP-Link-TL-WR820N-CVE-2025-14175'
  checkedAt: '2026-09-30T23:30:07.505Z'
exploitAvailable: true
ingestedAt: '2026-09-30T23:29:32.515Z'
---

## Overview

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

- `tl-wr820n_firmware < 1.15.0`

## Remediation

Upgrade past the affected range:

- `tl-wr820n_firmware 1.15.0`