CVE-2025-12259

🗓️ 27 Oct 2025 10:02:08Reported by VulDBType

cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 16 Views🌐 WEB

Security flaw in TOTOLINK A3300R allows remote stack overflow via setScheduleCfg in cstecgi.cgi; exploit published.

Reporter	Title	Published	Views	Family All 11
bdu_fstec	The vulnerability of the setScheduleCfg() function in the cgi-bin/cstecgi.cgi script of the TOTOLINK A3300R router’s microprogramming software allows a intruder to trigger a service failure.	28 Oct 202500:00	–	bdu_fstec
circl	CVE-2025-12259	27 Oct 202511:14	–	circl
cnnvd	TOTOLINK A3300R 安全漏洞	27 Oct 202500:00	–	cnnvd
cnvd	TOTOLINK A3300R setScheduleCfg function stack buffer overflow vulnerability	31 Oct 202500:00	–	cnvd
cvelist	CVE-2025-12259 TOTOLINK A3300R POST Parameter cstecgi.cgi setScheduleCfg stack-based overflow	27 Oct 202510:02	–	cvelist
euvd	EUVD-2025-36155	27 Oct 202510:02	–	euvd
nvd	CVE-2025-12259	27 Oct 202510:15	–	nvd
osv	CVE-2025-12259	27 Oct 202510:15	–	osv
ptsecurity	PT-2025-43920	27 Oct 202500:00	–	ptsecurity
redhatcve	CVE-2025-12259	28 Oct 202510:52	–	redhatcve

NVD

Node

AND

totolink a3300r_firmwareMatch17.0.0cu.557_b20221024

totolink a3300rMatch-

[
  {
    "vendor": "TOTOLINK",
    "product": "A3300R",
    "versions": [
      {
        "version": "17.0.0cu.557_B20221024",
        "status": "affected"
      }
    ],
    "cpes": [
      "cpe:2.3:o:totolink:a3300r_firmware:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "POST Parameter Handler"
    ]
  }
]

Source	Link
vuldb	www.vuldb.com/
vuldb	www.vuldb.com/
vuldb	www.vuldb.com/
totolink	www.totolink.net/
github	www.github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setScheduleCfg.md

Parameter	Position	Path	Description	CWE
recHour	request body	/cgi-bin/cstecgi.cgi	Stack-based buffer overflow in POST Parameter Handler (setScheduleCfg) via argument recHour on /cgi-bin/cstecgi.cgi; remote exploitability.	CWE-119, CWE-121

17 Jun 2026 08:32Current

8.6High risk

Vulners AI Score8.6

CVSS 48.7

CVSS 3.18.8

CVSS 29

CVSS 38.8

EPSS0.0093

SSVC