Security readout for executives and security teams
Plain-English summary
This CVE describes a Tenda N300 F3 router weakness that lets users bypass the intended password policy and create weak passwords. Weak router administrator passwords increase the chance of unauthorized access, configuration changes, and loss of confidentiality or integrity.
Executive priority
Treat this as a priority for small-office, branch, or consumer-router environments using Tenda N300 F3 devices. Urgency is driven by critical CVSS scoring and potential account weakness, but confidence is limited by sparse affected-version and remediation detail.
Technical view
The CVE record assigns CVSS 3.1 score 9.1 with network attack vector, low complexity, no privileges, and no user interaction. The published description is limited to password policy bypass on Tenda N300 F3 routers. Affected versions, vendor fix status, and detailed root cause are not provided in the bundle.
Likely exposure
Exposure appears limited to environments operating Tenda N300 F3 routers, but the source bundle does not provide affected firmware versions or CPEs. Internet-exposed management interfaces and reused administrator passwords would materially raise business risk.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates remote, unauthenticated exploitability, but public evidence here only supports a password policy bypass claim, not confirmed in-the-wild abuse.
Researcher notes
The CVE data is thin: affected vendor/product fields are n/a despite the title naming Tenda N300 F3. The reference is a GitHub wiki. Avoid assuming exact firmware ranges, patch availability, or exploitation until vendor or CNA data confirms them.
Mitigation direction
Inventory Tenda N300 F3 routers and record firmware versions.
Require strong, unique administrator passwords regardless of device policy behavior.
Restrict router management interfaces to trusted internal networks only.
Check Tenda or reseller guidance for firmware updates or configuration mitigations.
Monitor router configuration changes and unexpected administrator logins.
Validation and detection
Confirm whether any Tenda N300 F3 routers are deployed.
Verify management interfaces are not reachable from untrusted networks.
Review administrator passwords against internal complexity requirements.
Document firmware versions and compare them with vendor guidance.
Check logs for unauthorized configuration changes or admin access.
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 · medium confidence lookup
CWE-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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.
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.
1CVSS vectors
3Timeline events
2ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
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-269 · source CWE mapping
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.