Vulnerability-Lookup

GHSA-R3PP-RGP6-46VG

Vulnerability from github – Published: 2026-03-06 03:31 – Updated: 2026-03-06 03:31

Details

A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

Severity ?

7.2 (High)


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

7.3 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

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{
  "affected": [],
  "aliases": [
    "CVE-2026-3612"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-06T01:15:54Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.",
  "id": "GHSA-r3pp-rgp6-46vg",
  "modified": "2026-03-06T03:31:34Z",
  "published": "2026-03-06T03:31:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3612"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/firmware_url.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.349220"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.349220"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.754668"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-3612 (GCVE-0-2026-3612)

Vulnerability from cvelistv5 – Published: 2026-03-06 00:32 – Updated: 2026-03-09 15:31

Title

Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection

Summary

Severity ?

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

7.2 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

CWE

CWE-77 - Command Injection
CWE-74 - Injection

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.349220	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.349220	signaturepermissions-required
	https://vuldb.com/?submit.754668	third-party-advisory
	https://github.com/Wlz1112/WAVLINK-NU516-V240425/…	exploit

Impacted products

	Vendor	Product	Version
	Wavlink	WL-NU516U1	Affected: V240425 cpe:2.3:o:wavlink:wl-nu516u1_firmware::::::::

Credits

haimianbaobao (VulDB User) VulDB

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-3612",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-09T15:31:40.469496Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-09T15:31:47.417Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "OTA Online Upgrade"
          ],
          "product": "WL-NU516U1",
          "vendor": "Wavlink",
          "versions": [
            {
              "status": "affected",
              "version": "V240425"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "haimianbaobao (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 8.3,
            "vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-77",
              "description": "Command Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-06T00:32:10.901Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-349220 | Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.349220"
        },
        {
          "name": "VDB-349220 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.349220"
        },
        {
          "name": "Submit #754668 | Wavlink NU516U1 V240425 Command Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.754668"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/firmware_url.md"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-03-05T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-03-05T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-03-05T19:25:52.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-3612",
    "datePublished": "2026-03-06T00:32:10.901Z",
    "dateReserved": "2026-03-05T18:20:48.894Z",
    "dateUpdated": "2026-03-09T15:31:47.417Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-R3PP-RGP6-46VG

CVE-2026-3612 (GCVE-0-2026-3612)

Tags

Sightings

Nomenclature