CVE-2025-14175

Weak Algorithm Support in SSH Server on TL-WR820N

MEDIUM
6.5
CVSS Score
Published: December 29, 2025 at 07:31 PM UTC
Updated: October 7, 2026 at 12:10 PM UTC
3 products affected across 1 vendorTl WR820N FirmwareTl-Wr820NLink Tl WR820N

Using TL-WR820N v2.8 by TP-Link Systems Inc.?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.15.0
Affected range stops below 1.15.0, so it looks safe — our inference, not a vendor statement
tp-link-tl-wr820n (same device)
v < 1.15.0 Build 250813
Affected range stops below 1.15.0 Build 250813, so it looks safe — our inference, not a vendor statement
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-327

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