CVE-2026-5215 (GCVE-0-2026-5215)
Vulnerability from cvelistv5 – Published: 2026-03-31 21:15 – Updated: 2026-04-01 18:46
VLAI
EPSS
VEX
Title
D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control
Summary
A vulnerability was identified in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. The impacted element is the function cgi_get_ipv6 of the file /cgi-bin/network_mgr.cgi. Such manipulation leads to improper access controls. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-01 18:46 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/354351 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/354351/cti | signaturepermissions-required |
| https://vuldb.com/submit/780440 | third-party-advisory |
| https://github.com/wudipjq/my_vuln/blob/main/D-Li… | exploit |
| https://www.dlink.com/ | product |
Impacted products
20 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| D-Link | DNS-120 |
Affected:
20260205
|
guessed | |
| D-Link | DNR-202L |
Affected:
20260205
|
guessed | |
| D-Link | DNS-315L |
Affected:
20260205
|
guessed | |
| D-Link | DNS-320 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-320L |
Affected:
20260205
|
guessed | |
| D-Link | DNS-320LW |
Affected:
20260205
|
guessed | |
| D-Link | DNS-321 |
Affected:
20260205
|
guessed | |
| D-Link | DNR-322L |
Affected:
20260205
|
guessed | |
| D-Link | DNS-323 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-325 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-326 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-327L |
Affected:
20260205
|
guessed | |
| D-Link | DNR-326 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-340L |
Affected:
20260205
|
guessed | |
| D-Link | DNS-343 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-345 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-726-4 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-1100-4 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-1200-05 |
Affected:
20260205
|
guessed | |
| D-Link | DNS-1550-04 |
Affected:
20260205
|
guessed |
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"name": "VDB-354351 | D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/354351"
},
{
"name": "VDB-354351 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/354351/cti"
},
{
"name": "Submit #780440 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/780440"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_170/170.md"
},
{
"tags": [
"product"
],
"url": "https://www.dlink.com/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-03-31T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-03-31T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-03-31T12:35:16.000Z",
"value": "VulDB entry last update"
}
],
"title": "D-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access control"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-5215",
"datePublished": "2026-03-31T21:15:19.202Z",
"dateReserved": "2026-03-31T10:29:41.841Z",
"dateUpdated": "2026-04-01T18:46:26.685Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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