CVE-2024-8129
D-Link
- Published
- 24 August 2024
- Last modified
- 17 June 2026
- CVSS
- 5.3 v4.0
- Severity
- medium
- EPSS
- 22.9% (98th pct)
- CISA KEV
- Not listed
- NVD status
- Analyzed
- Weaknesses
- CWE-77, CWE-78
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:X/V:X/RE:X/U:X
Description
A vulnerability, which was classified as critical, 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. Affected is the function cgi_s3_modify of the file /cgi-bin/s3.cgi of the component HTTP POST Request Handler. The manipulation of the argument f_job_name leads to command injection. It is possible to launch the attack 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.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 22.9% probability of exploitation activity in the next 30 days, placing it in the top decile of all scored CVEs.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| DNR-202L | D-Link | unknown | <= 2026-02-05 |
| DNR-322L | D-Link | unknown | <= 2.60b15 |
| DNR-326 | D-Link | unknown | <= 1.40b03, <= 2026-02-05 |
References
Vendor advisory and patch
- https://github.com/BuaaIOTTeam/Iot_Dlink_NAS/blob/main/DNS_cgi_s3_modify.md exploit
- https://vuldb.com/?ctiid.275700
- https://vuldb.com/?id.275700 third-party
- https://vuldb.com/?submit.396290 third-party
- https://www.dlink.com/
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.