D-Link DIR-816 1.10CNB05_R1B011D88210 singlePortForward sub_445E7C ip_address command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability was found in D-Link DIR-816 1.10CNB05_R1B011D88210. It has been classified as critical. This affects the function sub_445E7C of the file /goform/singlePortForward. Performing a manipulation of the argument ip_address results in command injection.
This vulnerability is identified as CVE-2026-8345. The attack can be initiated remotely. Additionally, an exploit exists.
Details
A vulnerability was found in D-Link DIR-816 1.10CNB05_R1B011D88210. It has been classified as critical. This affects the function sub_445E7C of the file /goform/singlePortForward. The manipulation of the argument ip_address with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-8345. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/11/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.
The exploit is shared for download at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/11/2026 Advisory disclosed05/11/2026 VulDB entry created
05/11/2026 VulDB entry last update
Sources
Vendor: dlink.comAdvisory: github.com
Status: Not defined
CVE: CVE-2026-8345 (🔒)
GCVE (CVE): GCVE-0-2026-8345
GCVE (VulDB): GCVE-100-362661
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/11/2026 18:29Changes: 05/11/2026 18:29 (57)
Complete: 🔍
Submitter: stksgg
Cache ID: 216::103
Submit
Accepted
- Submit #811379: D-Link DIR816 DIR-816A2_FWv1.10CNB05_R1B011D88210.img Command Injection (by stksgg)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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