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CVE-2026-42374 D-Link DIR-600L B1 Hardcoded Telnet Backdoor Credentials

🗓️ 04 May 2026 16:00:15Reported by securinType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

D-Link DIR-600L B1 has a hardcoded telnet backdoor that grants root access using the Alphanetworks user and a password from the image sign; device is end of life.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42374
4 May 202616:00
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Circl
CVE-2026-42374
4 May 202618:04
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CNNVD
D-Link DIR-600L 信任管理问题漏洞
4 May 202600:00
cnnvd
CVE
CVE-2026-42374
4 May 202616:00
cve
EUVD
EUVD-2026-27025
4 May 202616:00
euvd
NVD
CVE-2026-42374
4 May 202617:16
nvd
Positive Technologies
PT-2026-36835
20 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-42374
5 Jun 202619:16
redhatcve
Vulnrichment
CVE-2026-42374 D-Link DIR-600L B1 Hardcoded Telnet Backdoor Credentials
4 May 202616:00
vulnrichment
[
  {
    "vendor": "D-Link",
    "product": "DIR-600L Firmware",
    "platforms": [
      "MIPS32 Big-Endian"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "B1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "affected",
    "cpes": [
      "cpe:2.3:o:dlink:dir-600l_firmware:*:*:*:*:*:*:*:*"
    ]
  }
]

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