D-Link DNS-320 system_mgr.cgi cgi_merge_user os command injection
Priority MEDIUM 56CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. This manipulation causes os command injection. It is possible to initiate the attack remotely.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.07389 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| D-Link | DNS-320 | 2.06B01 | — | No fix listed | CNA |
- DNS-320 VendorD-Link Affected 2.06B01 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dns-320_firmware:2.06b01:*:*:*:*:*:*:* | 2.06b01 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dns-320_firmware:2.06b01:*:*:*:*:*:*:* Versions 2.06b01 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8273
- 2026-10-03 Alias added: GHSA-5jp6-jc7m-x7q9
References
More D-Link vulnerabilities
- TI-2024-03070 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection KEVCVSS 3.1CRITICAL 9.8
- TI-2024-03069 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials KEVCVSS 3.1CRITICAL 9.8
- TI-2024-00708 D-Link DIR-859 HTTP POST Request hedwig.cgi path traversal KEVCVSS 3.1CRITICAL 9.8
- TI-2023-10693 OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to… KEVCVSS 3.1CRITICAL 9.8
- TI-2022-17249 D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable… KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09657 D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE)… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-8273 · CVE Program
- CVE-2026-8273 · NVD
- FIRST EPSS
- GHSA-5jp6-jc7m-x7q9 · GitHub Advisory Database · CC BY 4.0
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