CVE-2026-4861

🗓️ 26 Mar 2026 08:18:07Reported by VulDBType

cve🔗 web.nvd.nist.gov👁 9 Views🌐 WEB

CVE-2026-4861: Wavlink WL-NU516U1 nas.cgi ftext stack overflow via Content-Length manipulation.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-4861	26 Mar 202608:18	–	attackerkb
Circl	CVE-2026-4861	26 Mar 202609:10	–	circl
CNNVD	WAVLINK WL-NU516U1 安全漏洞	26 Mar 202600:00	–	cnnvd
Cvelist	CVE-2026-4861 Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow	26 Mar 202608:18	–	cvelist
EUVD	EUVD-2026-16146	26 Mar 202609:30	–	euvd
NVD	CVE-2026-4861	26 Mar 202609:16	–	nvd
Positive Technologies	PT-2026-28654	26 Mar 202600:00	–	ptsecurity
Vulnrichment	CVE-2026-4861 Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow	26 Mar 202608:18	–	vulnrichment

NVD

Vulners

Node

wavlink wl-nu516u1_firmwareMatchm16u1_v260227

AND

wavlink wl-nu516u1Match-

[
  {
    "vendor": "Wavlink",
    "product": "WL-NU516U1",
    "versions": [
      {
        "version": "260227",
        "status": "affected"
      }
    ],
    "cpes": [
      "cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*"
    ]
  }
]

Source	Link
vuldb	www.vuldb.com/
vuldb	www.vuldb.com/
vuldb	www.vuldb.com/
github	www.github.com/Wlz1112/WAVLINK-NU516U1-V260227/blob/main/Content-Length.md

Parameter	Position	Path	Description	CWE
Content-Length	header	/cgi-bin/nas.cgi	Remote stack-based buffer overflow via manipulation of Content-Length in nas.cgi function ftext	CWE-119, CWE-121

17 Jun 2026 10:57Current

8High risk

Vulners AI Score8

CVSS 48.7

CVSS 3.18.8

CVSS 29

CVSS 38.8

EPSS0.0085

SSVC

wavlink wl nu516u1 nas.cgi ftext stack overflow content length manipulation remote exploit