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Vulnerability record · CVE-2024-8133 · published 24 August 2024

CVE-2024-8133: Dlink dns-1550-04 firmware command injection vulnerability

Dlink · Dns 1550 04 Firmware

A vulnerability was found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20240814. It has been declared as critical. This vulnerability affects the function cgi_FMT_R5_SpareDsk_DiskMGR of the file /cgi-bin/hd_config.cgi of the component HTTP POST Request Handler. The manipulation of the argument f_source_dev leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed that the product is end-of-life. It should be retired and replaced.

5.3 CVSS 4.0 Medium EPSS 7.9% · top 5.5% CWE-77 · Command injectionCWE-78 · OS command injection
5.3CVSS 4.0 base score, v2 6.5
7.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
20Affected product versions listed by NVD
6References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20240814. It has been declared as critical. This vulnerability affects the function cgi_FMT_R5_SpareDsk_DiskMGR of the file /cgi-bin/hd_config.cgi of the component HTTP POST Request Handler. The manipulation of the argument f_source_dev leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed that the product is end-of-life. It should be retired and replaced.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

20 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/BuaaIOTTeam/Iot_Dlink_NAS/blob/main/DNS_cgi_FMT_R5_SpareDsk_DiskMGR.md ExploitThird Party Advisory
https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10383 Vendor Advisory
https://vuldb.com/?ctiid.275704 Permissions RequiredVDB Entry
https://vuldb.com/?id.275704 Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.396295 Third Party AdvisoryVDB Entry
https://www.dlink.com/ Product

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-8133), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.