D-Link DIR-816 singlePortForward sub_445E7C command injection
Priority MEDIUM 57CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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 security vulnerability has been detected in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this issue is the function sub_445E7C of the file /goform/singlePortForward. Such manipulation of the argument ip_address leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03469 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and 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 | DIR-816 | 1.10CNB05_R1B011D88210 | — | No fix listed | CNA |
- DIR-816 VendorD-Link Affected 1.10CNB05_R1B011D88210 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05_r1b011d88210:*:*:*:*:*:*:* | 1.10cnb05_r1b011d88210 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-816:a2:*:*:*:*:*:*:* | a2 | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05_r1b011d88210:*:*:*:*:*:*:* Versions 1.10cnb05_r1b011d88210 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-816:a2:*:*:*:*:*:*:* Versions a2 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-2026-8345
- 2026-10-03 Alias added: GHSA-c33v-7hr2-gw69
- 2026-10-25 EPSS moved to the 50th–90th percentile
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-2026-8345 · CVE Program
- CVE-2026-8345 · NVD
- FIRST EPSS
- GHSA-c33v-7hr2-gw69 · GitHub Advisory Database · CC BY 4.0
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