D-Link WiFi router - Hidden Functionality
Published Sep 16, 2024
9.8
CRITICALCVSS 3.1
EPSS 1.03%
Description
Certain models of D-Link wireless routers have a hidden functionality where the telnet service is enabled when the WAN port is plugged in. Unauthorized remote attackers can log in and execute OS commands using hard-coded credentials.
Affected products
-
- Version 1.00StatusaffectedConstraints-
- Version 1.04StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D-Link | Dir-X4860 A1 | unaffected |
|
- 1.00
- 1.04
-
- Version 1.00StatusaffectedConstraints-
- Version 1.04StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D-Link | n/a | n/a |
|
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Update firmware of DIR-X4860 A1 to version 1.04B05 or later.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Sep 16, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.03% (0.01028) | 62.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.03% (0.01035) | 59.25th | v5 (v2026.06.15) |
| Nov 4, 2025 | 2.15% (0.02145) | 83.64th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.86% (0.00863) | 72.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.06% (0.02058) | 73.20th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.86% (0.00863) | 73.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00085) | 38.06th | v3 (v2023.03.01) |
| Sep 17, 2024 | 0.09% (0.00091) | 39.62th | v3 (v2023.03.01) |
References (2)
- https://www.twcert.org.tw/en/cp-139-8089-32df6-2.html third-party-advisoryThird Party Advisory
- https://www.twcert.org.tw/tw/cp-132-8088-590ed-1.html third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.twcert.org.tw/en/cp-139-8089-32df6-2.html | third-party-advisoryThird Party Advisory | |
| https://www.twcert.org.tw/tw/cp-132-8088-590ed-1.html | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.