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TI-2025-12954 Aliases CVE-2025-14175GHSA-w5v4-r6mh-235c

Weak Algorithm Support in SSH Server on TL-WR820N

Priority LOW 27CWE-327Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-327.

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 compromise confidentiality.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00297 22nd percentileScored 2026-11-07
Fix Fixed TL-WR820N v2.8 (TP-Link Systems Inc.): 1.15.0 Build 250813

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkTL-WR820N v2.8before 1.15.0 Build 2508131.15.0 Build 250813Patch availableCNA
  • TL-WR820N v2.8 VendorTP-Link Affected before 1.15.0 Build 250813 Fixed in 1.15.0 Build 250813 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:tl-wr820n_firmware:*:*:*:*:*:*:*:*before 1.15.0VulnerableTP-Link
cpe:2.3:h:tp-link:tl-wr820n:2.80:*:*:*:*:*:*:*2.80Running onTP-Link
  • cpe:2.3:o:tp-link:tl-wr820n_firmware:*:*:*:*:*:*:*:* Versions before 1.15.0 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-wr820n:2.80:*:*:*:*:*:*:* Versions 2.80 Running on ·TP-Link

Remediation

  • Fix · CNA TL-WR820N v2.8 (TP-Link Systems Inc.) Fixed in 1.15.0 Build 250813

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-14175
  2. 2026-10-03 Alias added: GHSA-w5v4-r6mh-235c

References

Patch 2

Advisory 1

  • TI-2026-12752 Referer Validation Bypass in TL-WR820N Web Management Interface CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences