Vulnerability · Published Mar 16, 2026 · Assigned by VulDB
CVE-2026-4210D-Link DNS-1550-04 time_machine.cgi cgi_tm_set_share command injection
Medium 6.3
In plain English
A medium-severity command injection in DNR-202L from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.1% (higher than 91% of all known vulnerabilities).
Official description
A security flaw has been discovered 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 20260205. Affected by this vulnerability is the function cgi_tm_set_share of the file /cgi-bin/time_machine.cgi. The manipulation of the argument Name results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| D-Link | DNS-120 | 20260205 |
| D-Link | DNR-202L | 20260205 |
| D-Link | DNS-315L | 20260205 |
| D-Link | DNS-320 | 20260205 |
| D-Link | DNS-320L | 20260205 |
| D-Link | DNS-320LW | 20260205 |
| D-Link | DNS-321 | 20260205 |
| D-Link | DNR-322L | 20260205 |
| D-Link | DNS-323 | 20260205 |
| D-Link | DNS-325 | 20260205 |
| D-Link | DNS-326 | 20260205 |
| D-Link | DNS-327L | 20260205 |
| D-Link | DNR-326 | 20260205 |
| D-Link | DNS-340L | 20260205 |
| D-Link | DNS-343 | 20260205 |
| D-Link | DNS-345 | 20260205 |
| D-Link | DNS-726-4 | 20260205 |
| D-Link | DNS-1100-4 | 20260205 |
| D-Link | DNS-1200-05 | 20260205 |
| D-Link | DNS-1550-04 | 20260205 |
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-351121 | D-Link DNS-1550-04 time_machine.cgi cgi_tm_set_share command injection vdb-entry, technical-description
- VDB-351121 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #770440 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Command Injection third-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_159/159.md exploit
- https://www.dlink.com/ broken-link, product