Security readout for executives and security teams
Plain-English summary
Certain Tenda W30E V2 firmware exposes account credentials in plaintext through HTTP maintenance-interface responses. Because management uses unencrypted HTTP by default, anyone able to observe that traffic could obtain credentials. This is a confidentiality issue with direct administrative risk.
Executive priority
Treat as high priority for environments using this router model. Credential exposure can lead to device takeover or wider network access, but active exploitation is not evidenced in the supplied sources.
Technical view
CVE-2026-24430 affects Tenda W30E V2 firmware up to and including V16.01.0.19(5037). The issue is CWE-201 sensitive information exposure: maintenance-interface HTTP responses disclose credentials in cleartext. The supplied CVSS v4.0 score is 8.2 high, with high vulnerable-system confidentiality impact.
Likely exposure
Organizations using Tenda W30E V2 devices on affected firmware are exposed when the management interface is reachable over unencrypted HTTP, especially across shared or untrusted networks.
Exploitation context
The supplied bundle does not show CISA KEV listing or active exploitation. Exploitation evidence is limited to public advisory reporting that credentials are exposed in HTTP maintenance responses.
Researcher notes
Evidence supports plaintext credential disclosure in HTTP responses and CWE-201 classification. The bundle does not provide exploit details, patch identifiers, or confirmed exploitation telemetry, so validation should stay defensive and vendor-guided.
Mitigation direction
- Check Tenda guidance for updated firmware or vendor-recommended remediation.
- Restrict management-interface access to trusted administrative networks only.
- Avoid unencrypted HTTP management paths where a secure alternative is supported.
- Rotate device credentials after reducing exposure or applying vendor guidance.
- Monitor for unexpected administrative access to affected devices.
Validation and detection
- Inventory Tenda W30E V2 devices and record firmware versions.
- Identify whether management access uses unencrypted HTTP.
- Confirm management interfaces are not reachable from untrusted networks.
- Review firewall or ACL rules protecting device administration.
- Check vendor and advisory pages for patch status updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-201: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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.
Open ATT&CK lookupCVE-2026-24430 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.2 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.2HighVector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tendacn.com/product/W30ECVE reference, VulnCheck · product
- https://www.vulncheck.com/advisories/tenda-w30e-v2-http-responses-expose-plaintext-credentialsCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Insertion of Sensitive Information Into Sent Data
Insertion of Sensitive Information Into Sent Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.