CVE-2026-3704 (GCVE-0-2026-3704)

Vulnerability from cvelistv5 – Published: 2026-03-08 03:28 – Updated: 2026-03-08 03:29
VLAI?
Title
Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection
Summary
A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4.7 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
4.7 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CWE
Assigner
References
Impacted products
Vendor Product Version
Wavlink NU516U1 Affected: 251208
Create a notification for this product.
Credits
haimianbaobao (VulDB User) VulDB
Show details on NVD website
To clipboard 

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      "affected": [
        {
          "modules": [
            "Incomplete Fix CVE-2025-10959"
          ],
          "product": "NU516U1",
          "vendor": "Wavlink",
          "versions": [
            {
              "status": "affected",
              "version": "251208"
            }
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          "type": "reporter",
          "value": "haimianbaobao (VulDB User)"
        },
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          "type": "coordinator",
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          "value": "A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."
        }
      ],
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          "tags": [
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          "url": "https://vuldb.com/?ctiid.349650"
        },
        {
          "name": "Submit #759233 | Wavlink NU516U1  V251208 Command Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.759233"
        },
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          "tags": [
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          "url": "https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.md"
        },
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        },
        {
          "tags": [
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          "url": "https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-02-27-2fcf6ae-mt7628-squashfs-sysupgrade.bin"
        }
      ],
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          "time": "2026-03-07T01:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2026-03-07T10:01:33.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-3704",
    "datePublished": "2026-03-08T03:28:16.866Z",
    "dateReserved": "2026-03-07T08:56:16.000Z",
    "dateUpdated": "2026-03-08T03:29:43.521Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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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.