CVE-2025-15631: Weak Credential Storage in TP-Link Omada Devices
A
cryptographic weakness exists in affected Omada devices where site credentials
are protected using a legacy hashing algorithm that does not provide sufficient
protection.
An attacker
who obtains access to stored credential data may be able to recover valid credentials
to gain unauthorized access to affected devices or management environments.
Security readout for executives and security teams
Plain-English summary
Affected TP-Link Omada devices may protect site credentials with an inadequate legacy hashing method. Someone who first obtains the stored credential data could potentially recover valid credentials and access devices or management environments. The supplied record rates this medium severity, but exact affected models and versions are not clearly established.
Executive priority
Treat this as a targeted remediation issue rather than an emergency. Prioritize environments where administrators, adjacent network users, or compromised systems could access stored device data. Promptly establish exact applicability because recovered credentials could enable broader unauthorized management access, while the supplied version information is insufficient for reliable scoping.
Technical view
CVE-2025-15631 is classified as CWE-759 and scored CVSS 4.0 5.7. The vector indicates adjacent access, high complexity, additional attack requirements, and high privileges. Successful exploitation could cause high confidentiality loss, with no stated integrity or availability impact. The source bundle does not identify specific fixed firmware versions.
Likely exposure
Potential exposure covers Omada gateways, switches, access points, and OLTs that store site credentials using the vulnerable protection method. However, the supplied affected-version entries show only version “0” and default to unaffected, so organizations must confirm applicability by exact model and firmware using TP-Link guidance.
Exploitation context
The supplied CVSS vector indicates exploitation is constrained: adjacent access, high complexity, additional prerequisites, and high privileges are required. An attacker must obtain stored credential data before attempting credential recovery. The CVE is not listed in KEV, and the supplied sources provide no evidence of active exploitation.
Researcher notes
The primary consequence is credential confidentiality loss. CVSS indicates substantial prerequisites and no direct integrity or availability impact. The record names four Omada device classes but does not provide usable affected or fixed version ranges. Validate scope against the vendor advisory; the download links alone do not prove that a particular release fixes this CVE.
Mitigation direction
Check TP-Link FAQ 5216 for applicability and model-specific remediation guidance.
Use the Omada download page to identify vendor-approved firmware for each exact model.
Install a fixed release only when TP-Link explicitly identifies it as addressing this issue.
Rotate affected site credentials after remediation, especially if stored data may have been exposed.
Restrict device and management access to authorized, trusted administrative networks.
Validation and detection
Inventory Omada gateways, switches, access points, and OLTs by exact model and firmware version.
Compare every inventoried device with TP-Link FAQ 5216 and applicable download information.
Confirm installed firmware matches a vendor-identified fixed release; do not infer coverage from release recency.
Review access controls protecting management environments and stored configuration or credential data.
Verify credential rotation was completed where exposure of stored data cannot be excluded.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · low confidence lookup
CWE-759: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-759 · source CWE mapping
Use of a One-Way Hash without a Salt
Use of a One-Way Hash without a Salt represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.