CVE-2026-0400

🗓️ 24 Feb 2026 14:54:15Reported by sonicwallType

Post-authentication format string vulnerability in SonicOS may let a remote attacker crash the firewall.

Reporter	Title	Published	Views	Family All 10
Circl	CVE-2026-0400	24 Feb 202614:35	–	circl
CNNVD	SonicWALL SonicOS 安全漏洞	24 Feb 202600:00	–	cnnvd
Cvelist	CVE-2026-0400	24 Feb 202614:54	–	cvelist
NVD	CVE-2026-0400	24 Feb 202615:21	–	nvd
Positive Technologies	PT-2026-21746	24 Feb 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-0400	25 Feb 202616:16	–	redhatcve
SonicWall	SonicOS multiple post-authentication vulnerabilities	24 Feb 202611:46	–	sonicwall
Tenable Nessus	SonicWall SonicOS Multiple Post-Authentication Vulnerabilities (SNWLID-2026-0001)	27 Feb 202600:00	–	nessus
Tenable Nessus	SonicWALL SonicOS Use of Externally-Controlled Format String (CVE-2026-0400)	10 Mar 202600:00	–	nessus
Vulnrichment	CVE-2026-0400	24 Feb 202614:54	–	vulnrichment

NVD

Vulners

Node

sonicwall sonicosRange<7.3.2-7010

AND

sonicwall nsa_2700Match-

sonicwall nsa_3700Match-

sonicwall nsa_4700Match-

sonicwall nsa_5700Match-

sonicwall nsa_6700Match-

sonicwall nssp_10700Match-

sonicwall nssp_11700Match-

sonicwall nssp_13700Match-

sonicwall nssp_15700Match-

sonicwall nsv270Match-

sonicwall nsv470Match-

sonicwall nsv870Match-

sonicwall tz270Match-

sonicwall tz270wMatch-

sonicwall tz370Match-

sonicwall tz370wMatch-

sonicwall tz470Match-

sonicwall tz470wMatch-

sonicwall tz570Match-

sonicwall tz570pMatch-

sonicwall tz570wMatch-

sonicwall tz670Match-

Node

sonicwall sonicosRange<8.2.0-8009

AND

sonicwall nsa_2800Match-

sonicwall nsa_3800Match-

sonicwall nsa_4800Match-

sonicwall nsa_5800Match-

sonicwall tz280Match-

sonicwall tz380Match-

sonicwall tz480Match-

sonicwall tz580Match-

sonicwall tz680Match-

sonicwall tz80Match-

[
  {
    "defaultStatus": "unknown",
    "platforms": [
      "Linux",
      "Gen7",
      "Gen8"
    ],
    "product": "SonicOS",
    "vendor": "SonicWall",
    "versions": [
      {
        "status": "affected",
        "version": "7.0.1-5169 and older versions"
      },
      {
        "status": "affected",
        "version": "7.3.1-7013 and older versions"
      },
      {
        "status": "affected",
        "version": "8.1.0-8017 and older versions"
      }
    ]
  }
]

Source	Link
psirt	www.psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001

17 Jun 2026 10:10Current

5.5Medium risk

Vulners AI Score5.5

CVSS 3.14.9

EPSS0.00402

SSVC

CWE-134