CVE-2026-5040

Weak Password Hashing Mechanism in TP-Link Deco M5

Published Jul 14, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
TP-Link Deco M5 v1 uses a weak password hashing mechanism to store user credentials. An attacker who obtains the password hash through system compromise or privileged access could perform brute-force or dictionary attacks.

Successful exploitation may result in disclosure of authentication credentials, enabling unauthorized access to device management functions, depending on the privileges associated with the recovered password. The primary security impact is loss of confidentiality.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tp-link
Tp-link deco M5 Deco M5 V1
Vendors & Products Tp-link
Tp-link deco M5 Deco M5 V1
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description TP-Link Deco M5 v1 uses a weak password hashing mechanism to store user credentials. An attacker who obtains the password hash through system compromise or privileged access could perform brute-force or dictionary attacks. Successful exploitation may result in disclosure of authentication credentials, enabling unauthorized access to device management functions, depending on the privileges associated with the recovered password. The primary security impact is loss of confidentiality.
Title Weak Password Hashing Mechanism in TP-Link Deco M5
Weaknesses CWE-916
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TPLink
Published
Updated
Jul 15, 2026, 10:27 AM
Reserved
Mar 27, 2026, 4:26 PM
Status
Analyzed
Published
Jul 14, 2026, 7:18 PM
Modified
Oct 24, 2026, 9:10 PM