Security readout for executives and security teams
Plain-English summary
Tenda AC7 routers on firmware V03.03.03.01_cn and earlier may place administrator credentials in plaintext inside web management responses. Browser caching can preserve those credentials. This is mainly a credential disclosure issue, not a router takeover by itself, but exposed admin passwords can enable later unauthorized management access.
Executive priority
Treat this as a moderate-priority credential exposure issue. It deserves prompt inventory, firmware review, and admin password handling, especially in small-office or branch environments using Tenda AC7 devices.
Technical view
The issue is CWE-201 sensitive information exposure in AC7 web management configuration responses. The CVSS v4 vector is local attack vector, low complexity, low privileges, no user interaction, and high confidentiality impact. Sources also note missing Cache-Control directives, increasing risk from cached response bodies on client systems.
Likely exposure
Organizations are likely exposed only where Tenda AC7 devices run firmware V03.03.03.01_cn or earlier and users access the web management interface from systems that may be inspected or compromised.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked CISA KEV. Practical abuse appears to require access to relevant management responses or cached browser data, not unauthenticated remote internet exploitation.
Researcher notes
Evidence is limited to the CVE record and VulnCheck advisory references. No official fixed firmware version is named in the bundle. Avoid broad product assumptions beyond AC7 firmware V03.03.03.01_cn and prior.
Mitigation direction
- Identify Tenda AC7 devices and record installed firmware versions.
- Check Tenda guidance for firmware updates or official remediation status.
- Restrict web management access to trusted administrator devices and networks.
- Clear browser caches on systems used for router administration.
- Rotate router and admin panel passwords after remediation or exposure review.
Validation and detection
- Confirm whether any AC7 runs V03.03.03.01_cn or earlier.
- Review management response bodies for plaintext credential fields without retaining secrets.
- Check whether responses include appropriate Cache-Control protections.
- Assess administrator endpoints for cached router management pages.
- Verify password rotation after any suspected credential exposure.
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 lookupCredential and access behavior lookup
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.
Open ATT&CK lookupCVE-2026-24427 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
- Medium
- CVSS
- 6.8 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
6.8MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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/AC7CVE reference, VulnCheck · product
- https://www.vulncheck.com/advisories/tenda-ac7-exposes-admin-credentials-in-configuration-responsesCVE 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.