CVE-2026-4497

🗓️ 20 Mar 2026 19:02:12Reported by VulDBType

cve🔗 web.nvd.nist.gov👁 3 Views🌐 WEB

Remote command injection in Totolink WA300 via the recvUpgradeNewFw function allows arbitrary OS commands.

Reporter	Title	Published	Views	Family All 9
ATTACKERKB	CVE-2026-4497	20 Mar 202619:02	–	attackerkb
Circl	CVE-2026-4497	20 Mar 202622:33	–	circl
CNNVD	TOTOLINK WA300 操作系统命令注入漏洞	20 Mar 202600:00	–	cnnvd
Cvelist	CVE-2026-4497 Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection	20 Mar 202619:02	–	cvelist
EUVD	EUVD-2026-13770	20 Mar 202621:31	–	euvd
NVD	CVE-2026-4497	20 Mar 202619:16	–	nvd
Positive Technologies	PT-2026-26663	20 Mar 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-4497	26 Mar 202615:06	–	redhatcve
Vulnrichment	CVE-2026-4497 Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection	20 Mar 202619:02	–	vulnrichment

NVD

Node

totolink wa300_firmwareMatch5.2cu.7112_b20190227

AND

totolink wa300Match-

[
  {
    "vendor": "Totolink",
    "product": "WA300",
    "versions": [
      {
        "version": "5.2cu.7112_B20190227",
        "status": "affected"
      }
    ],
    "cpes": [
      "cpe:2.3:o:totolink:wa300_firmware:*:*:*:*:*:*:*:*"
    ]
  }
]

Source	Link
vuldb	www.vuldb.com/
vuldb	www.vuldb.com/
totolink	www.totolink.net/
github	www.github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zip
vuldb	www.vuldb.com/
github	www.github.com/hellonestor/killallbug/issues/1

Parameter	Position	Path	Description	CWE
recvUpgradeNewFw	request body	/cgi-bin/cstecgi.cgi	OS command injection via recvUpgradeNewFw in /cgi-bin/cstecgi.cgi	CWE-78, CWE-77

29 Apr 2026 01:00Current

6.8Medium risk

Vulners AI Score6.8

CVSS 3.17.3 - 9.8

CVSS 46.9

CVSS 27.5

CVSS 37.3

EPSS0.00767

SSVC