Security readout for executives and security teams
Plain-English summary
Certain Tenda AC7 routers can expose administrator credentials in plaintext HTTP responses. An attacker positioned on the same network path could read those credentials and gain sensitive authentication material. The source bundle does not name a vendor patch or confirm active exploitation.
Executive priority
Treat this as a high-priority network hygiene issue for environments using Tenda AC7 devices. The business risk is credential disclosure leading to router compromise, but urgency depends on whether affected routers exist and whether management traffic crosses observable networks.
Technical view
CVE-2026-24441 affects Tenda AC7 firmware V03.03.03.01_cn and prior. The issue is CWE-319: credentials are transmitted without HTTPS protection in HTTP responses. CVSS v4.0 is 8.2 high, with network attack vector and high confidentiality impact, but high attack complexity.
Likely exposure
Exposure is most relevant where Tenda AC7 administration traffic can traverse shared, hostile, or poorly segmented networks. Internet exposure is not stated in the sources. Organizations should verify actual device presence and management-path reachability.
Exploitation context
The bundle does not report KEV listing or active exploitation. Exploitation requires an on-path attacker able to observe relevant HTTP responses; the provided evidence does not include exploit code, public exploitation claims, or observed attacks.
Researcher notes
Evidence is limited to the CVE description and VulnCheck advisory metadata in the source bundle. The unusual affected-version entry lists version "0" while the description says V03.03.03.01_cn and prior; validate against vendor advisory data before broad conclusions.
Mitigation direction
- Check Tenda guidance and firmware availability before assuming a patch exists.
- Restrict router management access to trusted administrative networks only.
- Avoid administering affected routers across untrusted Wi-Fi or transit networks.
- Rotate administrator credentials after mitigation if exposure is suspected.
- Replace or isolate devices that cannot be updated or safely managed.
Validation and detection
- Inventory Tenda AC7 devices and record firmware versions.
- Confirm whether management traffic uses HTTP and where it is reachable.
- Review administrative network paths for shared or untrusted segments.
- Check whether credentials were rotated after any suspected exposure.
- Monitor vendor and CVE sources for patch or advisory 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-319: 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.
Open ATT&CK lookupCVE-2026-24441 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/AC7CVE reference, VulnCheck · product
- https://www.vulncheck.com/advisories/tenda-ac7-transmits-admin-credentials-without-https-protectionCVE 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.
Cleartext Transmission of Sensitive Information
Cleartext Transmission of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.