CVE-2026-4166 (GCVE-0-2026-4166)

Vulnerability from cvelistv5 – Published: 2026-03-15 05:32 – Updated: 2026-03-15 05:32
VLAI?
Title
Wavlink WL-NU516U1 login.cgi sub_404F68 cross site scripting
Summary
A vulnerability was found in Wavlink WL-NU516U1 240425. The impacted element is the function sub_404F68 of the file /cgi-bin/login.cgi. The manipulation of the argument homepage/hostname results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
3.5 (Low)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version
Wavlink WL-NU516U1 Affected: 240425
    cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
LtzHust2 (VulDB User) VulDB
Show details on NVD website
To clipboard 

{
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        {
          "cpes": [
            "cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*"
          ],
          "product": "WL-NU516U1",
          "vendor": "Wavlink",
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        }
      ],
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          "tags": [
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          "url": "https://vuldb.com/?ctiid.351073"
        },
        {
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          "tags": [
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          "url": "https://vuldb.com/?submit.769652"
        },
        {
          "name": "Submit #769653 | Wavlink WL-NU516U1 V240425 Cross Site Scripting (Duplicate)",
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          "url": "https://github.com/Litengzheng/vul_db/blob/main/WL-NU516U1/vul_14/README.md"
        },
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          "time": "2026-03-14T13:35:31.000Z",
          "value": "VulDB entry last update"
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    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-4166",
    "datePublished": "2026-03-15T05:32:08.404Z",
    "dateReserved": "2026-03-14T12:30:20.703Z",
    "dateUpdated": "2026-03-15T05:32:08.404Z",
    "state": "PUBLISHED"
  },
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  }
}


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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.



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