Weak Cryptographic Algorithm in TP-Link TL-WR820N SSH Server
CVE-2025-14175

6MEDIUM

Key Information:

Vendor

Tp-link Systems Inc.

Status
Tl-wr820n V2.8
Vendor
CVE Published:
29 December 2025

What is CVE-2025-14175?

A vulnerability in the SSH server of TP-Link TL-WR820N version 2.80 enables the use of weak cryptographic algorithms, allowing an adjacent attacker to potentially intercept and decrypt SSH traffic. This exploitation could lead to unauthorized access to sensitive information, ultimately compromising the confidentiality of communications. Users are advised to update their firmware to mitigate this risk.

Affected Version(s)

TL-WR820N v2.8 0 < 1.15.0 Build 250813

References

https://www.tp-link.com/en/support/download/tl-wr820n/#Fi...
patch
https://www.tp-link.com/in/support/download/tl-wr820n/#Fi...
patch
https://www.tp-link.com/us/support/faq/4861/
vendor-advisory

CVSS V4

Score:
6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Vishwa V; Sathya Priya. S; Cybersecurity Lab, SRM Institute of Science and Technology, Ramapuram, Chennai, Tamil Nadu, India. vishwaofficials@gmail.com; sathyapriya80@gmail.com
JSON
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CVE-2025-14175 : Weak Cryptographic Algorithm in TP-Link TL-WR820N SSH Server