CVE-2011-4723 (GCVE-0-2011-4723)
Vulnerability from cvelistv5 – Published: 2011-12-20 11:00 – Updated: 2025-10-22 00:05Summary
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
Severity
5.7 (Medium)
SSVC
Exploitation: active
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-10 20:01 UTC
CWE
- n/a
- CWE-312 - Cleartext Storage of Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://en.securitylab.ru/lab/PT-2011-30 | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: cd499811-bc42-499e-a52e-7f07cd461d92
Exploited: Yes
Timestamps
First Seen: 2022-09-08
Asserted: 2022-09-08
Scope
Notes: KEV entry: D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability | Affected: D-Link / DIR-300 Router | Description: The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information. | Required action: The impacted product is end-of-life and should be disconnected if still in use. | Due date: 2022-09-29 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.dlink.com/uk/en/support/product/dir-300-wireless-g-router; https://nvd.nist.gov/vuln/detail/CVE-2011-4723
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-310 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | DIR-300 Router |
| Due Date | 2022-09-29 |
| Date Added | 2022-09-08 |
| Vendorproject | D-Link |
| Vulnerabilityname | D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 12:27 UTC
| Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 520f9d4d-2b5d-4d57-b343-d02062330a46
Exploited: Yes
Timestamps
First Seen: 2022-09-08
Asserted: 2022-09-08
Scope
Notes: KEVIntel entry: The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified... | Affected: D-Link / DIR-300 | CVSS: 5.7 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified... |
| Vendor | D-Link |
| Product | DIR-300 |
| Added Date | 2022-09-08T00:00:00.000Z |
| Cvss Score | 5.7 |
| Epss Score | None |
| Cvss Severity | MEDIUM |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:05 UTC
| Updated: 2026-07-10 06:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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