CVE-2025-55848

Published Sep 26, 2025 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings interface, as the http_casswd parameter is not filtered by '&'to allow injection of reverse connection commands.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-31367 An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings interface, as the http_casswd parameter is not filtered by '&'to allow injection of reverse connection commands.
History
Type Values Removed Values Added
CPEs cpe:2.3:o:dlink:dir-823x_firmware:2025-04-16:*:*:*:*:*:*:* cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Dlink dir-823x
Dlink dir-823x Firmware
CPEs cpe:2.3:h:dlink:dir-823x:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-823x_firmware:2025-04-16:*:*:*:*:*:*:*
Vendors & Products Dlink dir-823x
Dlink dir-823x Firmware
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Dlink
Dlink dir-823
Vendors & Products Dlink
Dlink dir-823
Type Values Removed Values Added
Weaknesses CWE-77
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings interface, as the http_casswd parameter is not filtered by '&'to allow injection of reverse connection commands.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 29, 2025, 3:27 PM
Reserved
Aug 16, 2025, 12:00 AM
Status
Analyzed
Published
Sep 26, 2025, 5:15 PM
Modified
Nov 5, 2026, 11:10 PM