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CVE Record

CVE-2024-41336: Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior...

Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7, Vigor 2862/2926 prior to v3.9.9.4, Vigor 2133/2762/2832 prior to v3.9.8, Vigor 2135/2765/2766 prior to v4.4.5.1, Vigor 2865/2866/2927 prior to v4.4.5.3, Vigor 2962/3910 prior to v4.3.2.7, Vigor 3912 prior to v4.3.5.2, and Vigor 2925 up to v3.9.6 were discovered to store passwords in plaintext.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Several DrayTek router families stored passwords in plaintext before the listed firmware versions. If an attacker can access the relevant stored data, credentials could be exposed directly. This is primarily a confidentiality risk, not an integrity or availability issue based on the CVSS vector.

Executive priority

Treat this as a high-priority network edge remediation item. Routers often hold sensitive administrative or connectivity credentials, and plaintext storage can turn device access into broader credential compromise.

Technical view

CVE-2024-41336 is a CWE-256 plaintext password storage issue affecting listed DrayTek Vigor models before specific firmware releases. CVSS 3.1 is 7.5 with network attack vector, low complexity, no privileges, no user interaction, and high confidentiality impact.

Likely exposure

Organizations using affected DrayTek Vigor routers, especially internet-facing or remotely managed devices, should assume possible exposure until firmware versions are inventoried and checked against the CVE record.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. The risk is credential disclosure from plaintext storage, but the bundle does not provide exploit mechanics or confirmed exploitation in the wild.

Researcher notes

The source bundle identifies affected model families and version thresholds but does not include detailed exploit paths. Avoid assuming broader DrayTek impact beyond the listed models and versions. KEV is false in the provided data.

Mitigation direction

  • Inventory DrayTek Vigor models and firmware versions listed in the CVE.
  • Upgrade affected devices to the listed fixed or later firmware versions where available.
  • Check DrayTek vendor guidance for model-specific firmware and remediation instructions.
  • Restrict router administration access to trusted management networks.
  • Review and rotate credentials that may have been stored on affected devices.

Validation and detection

  • Compare device model and firmware against the CVE affected-version list.
  • Confirm firmware is at or above the listed non-affected version for each model.
  • Review configuration and backup handling for exposed plaintext credentials.
  • Check whether remote administration is enabled or reachable from untrusted networks.
  • Document compensating controls where immediate firmware updates are not possible.
Prepared
Confidence
medium
Sources
3

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-256: 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 lookup
cve · low confidence lookup

CVE-2024-41336 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Official CVE source material

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.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

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.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2024-41336Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-256 · source CWE mapping

Plaintext Storage of a Password

Plaintext Storage of a Password represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.